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Finding the Fourth Proportional to 73,408.52, 110,129.19 and 23,491.62

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Solution

The fourth proportional to 73,408.52, 110,129.19 and 23,491.62 is: 35,242.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,408.52 : 110,129.19 = 23,491.62 : x
  2. Step 2: Convert to fraction form
    73,408.52/110,129.19 = 23,491.62/x
  3. Step 3: Cross multiply
    73,408.52x = 110,129.19 × 23,491.62
  4. Step 4: Simplify right side
    73,408.52x = 2,587,113,082.39
  5. Step 5: Solve for x
    x = 2,587,113,082.39/73,408.52
  6. Step 6: Final answer
    x = 35,242.68

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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.