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Finding the Fourth Proportional to 73,679.48, 110,562.96 and 29,294.32

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Solution

The fourth proportional to 73,679.48, 110,562.96 and 29,294.32 is: 43,958.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,679.48 : 110,562.96 = 29,294.32 : x
  2. Step 2: Convert to fraction form
    73,679.48/110,562.96 = 29,294.32/x
  3. Step 3: Cross multiply
    73,679.48x = 110,562.96 × 29,294.32
  4. Step 4: Simplify right side
    73,679.48x = 3,238,866,730.39
  5. Step 5: Solve for x
    x = 3,238,866,730.39/73,679.48
  6. Step 6: Final answer
    x = 43,958.87

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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.