Finding the Fourth Proportional to 76,949.44, 115,414.08 and 24,359.20
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Solution
The fourth proportional to 76,949.44, 115,414.08 and 24,359.20 is: 36,535.61
Step by Step Solution
- Step 1: Write the proportion equation
76,949.44 : 115,414.08 = 24,359.20 : x - Step 2: Convert to fraction form
76,949.44/115,414.08 = 24,359.20/x - Step 3: Cross multiply
76,949.44x = 115,414.08 × 24,359.20 - Step 4: Simplify right side
76,949.44x = 2,811,394,657.54 - Step 5: Solve for x
x = 2,811,394,657.54/76,949.44 - Step 6: Final answer
x = 36,535.61
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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.