one way to solve this kind of problems is by doing a little bit of reversal
75 % X = 54
75/100 X = 54
(we move 75/100 to the right, since it's a fraction the top and bottom number will be reversed)
X = 54 * 100/75
X = 5400 / 75
X = 72 Hope I helped! :) Cheers!
