Home / 87,073.88-120,189.30-49,373.24

Finding the Fourth Proportional to 87,073.88, 120,189.30 and 49,373.24

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Solution

The fourth proportional to 87,073.88, 120,189.30 and 49,373.24 is: 68,150.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,073.88 : 120,189.30 = 49,373.24 : x
  2. Step 2: Convert to fraction form
    87,073.88/120,189.30 = 49,373.24/x
  3. Step 3: Cross multiply
    87,073.88x = 120,189.30 × 49,373.24
  4. Step 4: Simplify right side
    87,073.88x = 5,934,135,154.33
  5. Step 5: Solve for x
    x = 5,934,135,154.33/87,073.88
  6. Step 6: Final answer
    x = 68,150.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.