Finding the Fourth Proportional to 80,757.96, 121,102.08 and 26,707.46
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Solution
The fourth proportional to 80,757.96, 121,102.08 and 26,707.46 is: 40,049.66
Step by Step Solution
- Step 1: Write the proportion equation
80,757.96 : 121,102.08 = 26,707.46 : x - Step 2: Convert to fraction form
80,757.96/121,102.08 = 26,707.46/x - Step 3: Cross multiply
80,757.96x = 121,102.08 × 26,707.46 - Step 4: Simplify right side
80,757.96x = 3,234,328,957.52 - Step 5: Solve for x
x = 3,234,328,957.52/80,757.96 - Step 6: Final answer
x = 40,049.66
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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.