Finding the Fourth Proportional to 80,695.10, 121,049.43 and 24,535.70
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Solution
The fourth proportional to 80,695.10, 121,049.43 and 24,535.70 is: 36,805.61
Step by Step Solution
- Step 1: Write the proportion equation
80,695.10 : 121,049.43 = 24,535.70 : x - Step 2: Convert to fraction form
80,695.10/121,049.43 = 24,535.70/x - Step 3: Cross multiply
80,695.10x = 121,049.43 × 24,535.70 - Step 4: Simplify right side
80,695.10x = 2,970,032,621.31 - Step 5: Solve for x
x = 2,970,032,621.31/80,695.10 - Step 6: Final answer
x = 36,805.61
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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.