Finding the Fourth Proportional to 73,006.29, 100,748.67 and 39,472.29
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Solution
The fourth proportional to 73,006.29, 100,748.67 and 39,472.29 is: 54,471.75
Step by Step Solution
- Step 1: Write the proportion equation
73,006.29 : 100,748.67 = 39,472.29 : x - Step 2: Convert to fraction form
73,006.29/100,748.67 = 39,472.29/x - Step 3: Cross multiply
73,006.29x = 100,748.67 × 39,472.29 - Step 4: Simplify right side
73,006.29x = 3,976,780,719.35 - Step 5: Solve for x
x = 3,976,780,719.35/73,006.29 - Step 6: Final answer
x = 54,471.75
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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.