The answer is 48 I just don’t know how to get there. Please solve using proportions and show me

Answer:
x=48
Step-by-step explanation:
What number out of 75 gives you 64%
What number out of 75 gives you 64 out of 100
x 64
------------ = -----------
75 100
Using cross product
100x = 64*75
100x =4800
Divide each side by 100
100x/100 = 4800/100
x=48