Finding the Fourth Proportional to 76,838.92, 115,230.67 and 32,469.11
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Solution
The fourth proportional to 76,838.92, 115,230.67 and 32,469.11 is: 48,691.95
Step by Step Solution
- Step 1: Write the proportion equation
76,838.92 : 115,230.67 = 32,469.11 : x - Step 2: Convert to fraction form
76,838.92/115,230.67 = 32,469.11/x - Step 3: Cross multiply
76,838.92x = 115,230.67 × 32,469.11 - Step 4: Simplify right side
76,838.92x = 3,741,436,561.10 - Step 5: Solve for x
x = 3,741,436,561.10/76,838.92 - Step 6: Final answer
x = 48,691.95
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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.