Finding the Fourth Proportional to 80,732.81, 121,114.20 and 24,577.94
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Solution
The fourth proportional to 80,732.81, 121,114.20 and 24,577.94 is: 36,871.47
Step by Step Solution
- Step 1: Write the proportion equation
80,732.81 : 121,114.20 = 24,577.94 : x - Step 2: Convert to fraction form
80,732.81/121,114.20 = 24,577.94/x - Step 3: Cross multiply
80,732.81x = 121,114.20 × 24,577.94 - Step 4: Simplify right side
80,732.81x = 2,976,737,540.75 - Step 5: Solve for x
x = 2,976,737,540.75/80,732.81 - Step 6: Final answer
x = 36,871.47
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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.