Finding the Fourth Proportional to 80,761.62, 121,148.58 and 24,606.52
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Solution
The fourth proportional to 80,761.62, 121,148.58 and 24,606.52 is: 36,911.65
Step by Step Solution
- Step 1: Write the proportion equation
80,761.62 : 121,148.58 = 24,606.52 : x - Step 2: Convert to fraction form
80,761.62/121,148.58 = 24,606.52/x - Step 3: Cross multiply
80,761.62x = 121,148.58 × 24,606.52 - Step 4: Simplify right side
80,761.62x = 2,981,044,956.74 - Step 5: Solve for x
x = 2,981,044,956.74/80,761.62 - Step 6: Final answer
x = 36,911.65
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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.