Finding the Fourth Proportional to 87,890.42, 131,843.41 and 24,711.09
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Solution
The fourth proportional to 87,890.42, 131,843.41 and 24,711.09 is: 37,068.82
Step by Step Solution
- Step 1: Write the proportion equation
87,890.42 : 131,843.41 = 24,711.09 : x - Step 2: Convert to fraction form
87,890.42/131,843.41 = 24,711.09/x - Step 3: Cross multiply
87,890.42x = 131,843.41 × 24,711.09 - Step 4: Simplify right side
87,890.42x = 3,257,994,401.31 - Step 5: Solve for x
x = 3,257,994,401.31/87,890.42 - Step 6: Final answer
x = 37,068.82
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1.5x scale
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.