Home / 71,694.90-107,556.71-40,149.83

Finding the Fourth Proportional to 71,694.90, 107,556.71 and 40,149.83

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Solution

The fourth proportional to 71,694.90, 107,556.71 and 40,149.83 is: 60,232.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,694.90 : 107,556.71 = 40,149.83 : x
  2. Step 2: Convert to fraction form
    71,694.90/107,556.71 = 40,149.83/x
  3. Step 3: Cross multiply
    71,694.90x = 107,556.71 × 40,149.83
  4. Step 4: Simplify right side
    71,694.90x = 4,318,383,310.84
  5. Step 5: Solve for x
    x = 4,318,383,310.84/71,694.90
  6. Step 6: Final answer
    x = 60,232.78

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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.