Finding the Fourth Proportional to 71,269.02, 106,377.12 and 62,864.28
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Solution
The fourth proportional to 71,269.02, 106,377.12 and 62,864.28 is: 93,832.09
Step by Step Solution
- Step 1: Write the proportion equation
71,269.02 : 106,377.12 = 62,864.28 : x - Step 2: Convert to fraction form
71,269.02/106,377.12 = 62,864.28/x - Step 3: Cross multiply
71,269.02x = 106,377.12 × 62,864.28 - Step 4: Simplify right side
71,269.02x = 6,687,321,057.27 - Step 5: Solve for x
x = 6,687,321,057.27/71,269.02 - Step 6: Final answer
x = 93,832.09
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.