Finding the Fourth Proportional to 67,452.90, 101,207.70 and 36,251.70
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Solution
The fourth proportional to 67,452.90, 101,207.70 and 36,251.70 is: 54,392.79
Step by Step Solution
- Step 1: Write the proportion equation
67,452.90 : 101,207.70 = 36,251.70 : x - Step 2: Convert to fraction form
67,452.90/101,207.70 = 36,251.70/x - Step 3: Cross multiply
67,452.90x = 101,207.70 × 36,251.70 - Step 4: Simplify right side
67,452.90x = 3,668,951,178.09 - Step 5: Solve for x
x = 3,668,951,178.09/67,452.90 - Step 6: Final answer
x = 54,392.79
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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.