Home / 71,928.10-107,882.70-22,013.20

Finding the Fourth Proportional to 71,928.10, 107,882.70 and 22,013.20

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Solution

The fourth proportional to 71,928.10, 107,882.70 and 22,013.20 is: 33,016.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,928.10 : 107,882.70 = 22,013.20 : x
  2. Step 2: Convert to fraction form
    71,928.10/107,882.70 = 22,013.20/x
  3. Step 3: Cross multiply
    71,928.10x = 107,882.70 × 22,013.20
  4. Step 4: Simplify right side
    71,928.10x = 2,374,843,451.64
  5. Step 5: Solve for x
    x = 2,374,843,451.64/71,928.10
  6. Step 6: Final answer
    x = 33,016.91

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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.