Home / 87,158.13-130,719.99-23,961.96

Finding the Fourth Proportional to 87,158.13, 130,719.99 and 23,961.96

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Solution

The fourth proportional to 87,158.13, 130,719.99 and 23,961.96 is: 35,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,158.13 : 130,719.99 = 23,961.96 : x
  2. Step 2: Convert to fraction form
    87,158.13/130,719.99 = 23,961.96/x
  3. Step 3: Cross multiply
    87,158.13x = 130,719.99 × 23,961.96
  4. Step 4: Simplify right side
    87,158.13x = 3,132,307,160.35
  5. Step 5: Solve for x
    x = 3,132,307,160.35/87,158.13
  6. Step 6: Final answer
    x = 35,938.21

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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.