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Finding the Fourth Proportional to 73,286.28, 101,139.87 and 41,023.89

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Solution

The fourth proportional to 73,286.28, 101,139.87 and 41,023.89 is: 56,615.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,286.28 : 101,139.87 = 41,023.89 : x
  2. Step 2: Convert to fraction form
    73,286.28/101,139.87 = 41,023.89/x
  3. Step 3: Cross multiply
    73,286.28x = 101,139.87 × 41,023.89
  4. Step 4: Simplify right side
    73,286.28x = 4,149,150,901.49
  5. Step 5: Solve for x
    x = 4,149,150,901.49/73,286.28
  6. Step 6: Final answer
    x = 56,615.66

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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.