Finding the Fourth Proportional to 80,787.87, 121,177.55 and 24,626.62
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Solution
The fourth proportional to 80,787.87, 121,177.55 and 24,626.62 is: 36,938.63
Step by Step Solution
- Step 1: Write the proportion equation
80,787.87 : 121,177.55 = 24,626.62 : x - Step 2: Convert to fraction form
80,787.87/121,177.55 = 24,626.62/x - Step 3: Cross multiply
80,787.87x = 121,177.55 × 24,626.62 - Step 4: Simplify right side
80,787.87x = 2,984,193,476.38 - Step 5: Solve for x
x = 2,984,193,476.38/80,787.87 - Step 6: Final answer
x = 36,938.63
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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.