Home / 71,694.34-107,555.86-40,149.26

Finding the Fourth Proportional to 71,694.34, 107,555.86 and 40,149.26

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Solution

The fourth proportional to 71,694.34, 107,555.86 and 40,149.26 is: 60,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,694.34 : 107,555.86 = 40,149.26 : x
  2. Step 2: Convert to fraction form
    71,694.34/107,555.86 = 40,149.26/x
  3. Step 3: Cross multiply
    71,694.34x = 107,555.86 × 40,149.26
  4. Step 4: Simplify right side
    71,694.34x = 4,318,288,103.41
  5. Step 5: Solve for x
    x = 4,318,288,103.41/71,694.34
  6. Step 6: Final answer
    x = 60,231.93

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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.