Home / 87,753.13-131,649.51-27,785.24

Finding the Fourth Proportional to 87,753.13, 131,649.51 and 27,785.24

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Solution

The fourth proportional to 87,753.13, 131,649.51 and 27,785.24 is: 41,684.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,753.13 : 131,649.51 = 27,785.24 : x
  2. Step 2: Convert to fraction form
    87,753.13/131,649.51 = 27,785.24/x
  3. Step 3: Cross multiply
    87,753.13x = 131,649.51 × 27,785.24
  4. Step 4: Simplify right side
    87,753.13x = 3,657,913,833.25
  5. Step 5: Solve for x
    x = 3,657,913,833.25/87,753.13
  6. Step 6: Final answer
    x = 41,684.14

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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.