Home / 71,159.78-106,757.19-50,140.88

Finding the Fourth Proportional to 71,159.78, 106,757.19 and 50,140.88

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Solution

The fourth proportional to 71,159.78, 106,757.19 and 50,140.88 is: 75,223.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,159.78 : 106,757.19 = 50,140.88 : x
  2. Step 2: Convert to fraction form
    71,159.78/106,757.19 = 50,140.88/x
  3. Step 3: Cross multiply
    71,159.78x = 106,757.19 × 50,140.88
  4. Step 4: Simplify right side
    71,159.78x = 5,352,898,919.14
  5. Step 5: Solve for x
    x = 5,352,898,919.14/71,159.78
  6. Step 6: Final answer
    x = 75,223.66

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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.