Finding the Fourth Proportional to 73,537.70, 110,306.55 and 38,545.70
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Solution
The fourth proportional to 73,537.70, 110,306.55 and 38,545.70 is: 57,818.55
Step by Step Solution
- Step 1: Write the proportion equation
73,537.70 : 110,306.55 = 38,545.70 : x - Step 2: Convert to fraction form
73,537.70/110,306.55 = 38,545.70/x - Step 3: Cross multiply
73,537.70x = 110,306.55 × 38,545.70 - Step 4: Simplify right side
73,537.70x = 4,251,843,184.34 - Step 5: Solve for x
x = 4,251,843,184.34/73,537.70 - Step 6: Final answer
x = 57,818.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.