Home / 87,633.88-131,398.22-40,189.52

Finding the Fourth Proportional to 87,633.88, 131,398.22 and 40,189.52

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Solution

The fourth proportional to 87,633.88, 131,398.22 and 40,189.52 is: 60,260.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,633.88 : 131,398.22 = 40,189.52 : x
  2. Step 2: Convert to fraction form
    87,633.88/131,398.22 = 40,189.52/x
  3. Step 3: Cross multiply
    87,633.88x = 131,398.22 × 40,189.52
  4. Step 4: Simplify right side
    87,633.88x = 5,280,831,819.62
  5. Step 5: Solve for x
    x = 5,280,831,819.62/87,633.88
  6. Step 6: Final answer
    x = 60,260.16

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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.