Home / 87,377.22-120,576.99-49,135.68

Finding the Fourth Proportional to 87,377.22, 120,576.99 and 49,135.68

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Solution

The fourth proportional to 87,377.22, 120,576.99 and 49,135.68 is: 67,805.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,377.22 : 120,576.99 = 49,135.68 : x
  2. Step 2: Convert to fraction form
    87,377.22/120,576.99 = 49,135.68/x
  3. Step 3: Cross multiply
    87,377.22x = 120,576.99 × 49,135.68
  4. Step 4: Simplify right side
    87,377.22x = 5,924,632,396.00
  5. Step 5: Solve for x
    x = 5,924,632,396.00/87,377.22
  6. Step 6: Final answer
    x = 67,805.23

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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.