Home / 73,519.20-101,408.64-43,279.02

Finding the Fourth Proportional to 73,519.20, 101,408.64 and 43,279.02

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Solution

The fourth proportional to 73,519.20, 101,408.64 and 43,279.02 is: 59,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,519.20 : 101,408.64 = 43,279.02 : x
  2. Step 2: Convert to fraction form
    73,519.20/101,408.64 = 43,279.02/x
  3. Step 3: Cross multiply
    73,519.20x = 101,408.64 × 43,279.02
  4. Step 4: Simplify right side
    73,519.20x = 4,388,866,558.73
  5. Step 5: Solve for x
    x = 4,388,866,558.73/73,519.20
  6. Step 6: Final answer
    x = 59,696.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.