Home / 87,614.46-131,364.18-43,270.20

Finding the Fourth Proportional to 87,614.46, 131,364.18 and 43,270.20

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Solution

The fourth proportional to 87,614.46, 131,364.18 and 43,270.20 is: 64,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614.46 : 131,364.18 = 43,270.20 : x
  2. Step 2: Convert to fraction form
    87,614.46/131,364.18 = 43,270.20/x
  3. Step 3: Cross multiply
    87,614.46x = 131,364.18 × 43,270.20
  4. Step 4: Simplify right side
    87,614.46x = 5,684,154,341.44
  5. Step 5: Solve for x
    x = 5,684,154,341.44/87,614.46
  6. Step 6: Final answer
    x = 64,876.90

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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.