Home / 71,981.22-107,987.30-22,064.76

Finding the Fourth Proportional to 71,981.22, 107,987.30 and 22,064.76

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Solution

The fourth proportional to 71,981.22, 107,987.30 and 22,064.76 is: 33,101.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,981.22 : 107,987.30 = 22,064.76 : x
  2. Step 2: Convert to fraction form
    71,981.22/107,987.30 = 22,064.76/x
  3. Step 3: Cross multiply
    71,981.22x = 107,987.30 × 22,064.76
  4. Step 4: Simplify right side
    71,981.22x = 2,382,713,857.55
  5. Step 5: Solve for x
    x = 2,382,713,857.55/71,981.22
  6. Step 6: Final answer
    x = 33,101.88

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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.