Finding the Fourth Proportional to 75,663.84, 113,502.24 and 31,282.08
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Solution
The fourth proportional to 75,663.84, 113,502.24 and 31,282.08 is: 46,925.80
Step by Step Solution
- Step 1: Write the proportion equation
75,663.84 : 113,502.24 = 31,282.08 : x - Step 2: Convert to fraction form
75,663.84/113,502.24 = 31,282.08/x - Step 3: Cross multiply
75,663.84x = 113,502.24 × 31,282.08 - Step 4: Simplify right side
75,663.84x = 3,550,586,151.86 - Step 5: Solve for x
x = 3,550,586,151.86/75,663.84 - Step 6: Final answer
x = 46,925.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.