Finding the Fourth Proportional to 87,963.11, 131,934.14 and 24,787.97
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Solution
The fourth proportional to 87,963.11, 131,934.14 and 24,787.97 is: 37,178.99
Step by Step Solution
- Step 1: Write the proportion equation
87,963.11 : 131,934.14 = 24,787.97 : x - Step 2: Convert to fraction form
87,963.11/131,934.14 = 24,787.97/x - Step 3: Cross multiply
87,963.11x = 131,934.14 × 24,787.97 - Step 4: Simplify right side
87,963.11x = 3,270,379,380.36 - Step 5: Solve for x
x = 3,270,379,380.36/87,963.11 - Step 6: Final answer
x = 37,178.99
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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.