Home / 87,817.92-131,731.55-27,851.13

Finding the Fourth Proportional to 87,817.92, 131,731.55 and 27,851.13

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Solution

The fourth proportional to 87,817.92, 131,731.55 and 27,851.13 is: 41,778.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,817.92 : 131,731.55 = 27,851.13 : x
  2. Step 2: Convert to fraction form
    87,817.92/131,731.55 = 27,851.13/x
  3. Step 3: Cross multiply
    87,817.92x = 131,731.55 × 27,851.13
  4. Step 4: Simplify right side
    87,817.92x = 3,668,872,524.15
  5. Step 5: Solve for x
    x = 3,668,872,524.15/87,817.92
  6. Step 6: Final answer
    x = 41,778.18

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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.