Finding the Fourth Proportional to 93,624.96, 129,249.36 and 63,569.28
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Solution
The fourth proportional to 93,624.96, 129,249.36 and 63,569.28 is: 87,757.46
Step by Step Solution
- Step 1: Write the proportion equation
93,624.96 : 129,249.36 = 63,569.28 : x - Step 2: Convert to fraction form
93,624.96/129,249.36 = 63,569.28/x - Step 3: Cross multiply
93,624.96x = 129,249.36 × 63,569.28 - Step 4: Simplify right side
93,624.96x = 8,216,288,755.66 - Step 5: Solve for x
x = 8,216,288,755.66/93,624.96 - Step 6: Final answer
x = 87,757.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.