Home / 71,981.46-107,936.91-25,227.54

Finding the Fourth Proportional to 71,981.46, 107,936.91 and 25,227.54

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Solution

The fourth proportional to 71,981.46, 107,936.91 and 25,227.54 is: 37,828.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,981.46 : 107,936.91 = 25,227.54 : x
  2. Step 2: Convert to fraction form
    71,981.46/107,936.91 = 25,227.54/x
  3. Step 3: Cross multiply
    71,981.46x = 107,936.91 × 25,227.54
  4. Step 4: Simplify right side
    71,981.46x = 2,722,982,714.50
  5. Step 5: Solve for x
    x = 2,722,982,714.50/71,981.46
  6. Step 6: Final answer
    x = 37,828.95

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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.