Home / 71,839.68-107,789.76-25,097.28

Finding the Fourth Proportional to 71,839.68, 107,789.76 and 25,097.28

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Solution

The fourth proportional to 71,839.68, 107,789.76 and 25,097.28 is: 37,656.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,839.68 : 107,789.76 = 25,097.28 : x
  2. Step 2: Convert to fraction form
    71,839.68/107,789.76 = 25,097.28/x
  3. Step 3: Cross multiply
    71,839.68x = 107,789.76 × 25,097.28
  4. Step 4: Simplify right side
    71,839.68x = 2,705,229,787.85
  5. Step 5: Solve for x
    x = 2,705,229,787.85/71,839.68
  6. Step 6: Final answer
    x = 37,656.48

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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.