Home / 71,982.72-107,932.80-22,049.52

Finding the Fourth Proportional to 71,982.72, 107,932.80 and 22,049.52

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Solution

The fourth proportional to 71,982.72, 107,932.80 and 22,049.52 is: 33,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,982.72 : 107,932.80 = 22,049.52 : x
  2. Step 2: Convert to fraction form
    71,982.72/107,932.80 = 22,049.52/x
  3. Step 3: Cross multiply
    71,982.72x = 107,932.80 × 22,049.52
  4. Step 4: Simplify right side
    71,982.72x = 2,379,866,432.26
  5. Step 5: Solve for x
    x = 2,379,866,432.26/71,982.72
  6. Step 6: Final answer
    x = 33,061.64

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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.