Finding the Fourth Proportional to 80,737.36, 121,124.46 and 24,585.42
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Solution
The fourth proportional to 80,737.36, 121,124.46 and 24,585.42 is: 36,883.75
Step by Step Solution
- Step 1: Write the proportion equation
80,737.36 : 121,124.46 = 24,585.42 : x - Step 2: Convert to fraction form
80,737.36/121,124.46 = 24,585.42/x - Step 3: Cross multiply
80,737.36x = 121,124.46 × 24,585.42 - Step 4: Simplify right side
80,737.36x = 2,977,896,267.79 - Step 5: Solve for x
x = 2,977,896,267.79/80,737.36 - Step 6: Final answer
x = 36,883.75
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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.