Home / 71,948.79-107,972.46-25,201.80

Finding the Fourth Proportional to 71,948.79, 107,972.46 and 25,201.80

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Solution

The fourth proportional to 71,948.79, 107,972.46 and 25,201.80 is: 37,819.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,948.79 : 107,972.46 = 25,201.80 : x
  2. Step 2: Convert to fraction form
    71,948.79/107,972.46 = 25,201.80/x
  3. Step 3: Cross multiply
    71,948.79x = 107,972.46 × 25,201.80
  4. Step 4: Simplify right side
    71,948.79x = 2,721,100,342.43
  5. Step 5: Solve for x
    x = 2,721,100,342.43/71,948.79
  6. Step 6: Final answer
    x = 37,819.96

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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.