Home / 71,949.52-107,972.76-25,202.80

Finding the Fourth Proportional to 71,949.52, 107,972.76 and 25,202.80

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Solution

The fourth proportional to 71,949.52, 107,972.76 and 25,202.80 is: 37,821.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,949.52 : 107,972.76 = 25,202.80 : x
  2. Step 2: Convert to fraction form
    71,949.52/107,972.76 = 25,202.80/x
  3. Step 3: Cross multiply
    71,949.52x = 107,972.76 × 25,202.80
  4. Step 4: Simplify right side
    71,949.52x = 2,721,215,875.73
  5. Step 5: Solve for x
    x = 2,721,215,875.73/71,949.52
  6. Step 6: Final answer
    x = 37,821.18

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1.5x scale

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.