Home / 71,159.76-106,757.16-50,140.85

Finding the Fourth Proportional to 71,159.76, 106,757.16 and 50,140.85

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Solution

The fourth proportional to 71,159.76, 106,757.16 and 50,140.85 is: 75,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,159.76 : 106,757.16 = 50,140.85 : x
  2. Step 2: Convert to fraction form
    71,159.76/106,757.16 = 50,140.85/x
  3. Step 3: Cross multiply
    71,159.76x = 106,757.16 × 50,140.85
  4. Step 4: Simplify right side
    71,159.76x = 5,352,894,324.43
  5. Step 5: Solve for x
    x = 5,352,894,324.43/71,159.76
  6. Step 6: Final answer
    x = 75,223.62

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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.