Home / 89,747.34-123,857.18-51,519.27

Finding the Fourth Proportional to 89,747.34, 123,857.18 and 51,519.27

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Solution

The fourth proportional to 89,747.34, 123,857.18 and 51,519.27 is: 71,099.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,747.34 : 123,857.18 = 51,519.27 : x
  2. Step 2: Convert to fraction form
    89,747.34/123,857.18 = 51,519.27/x
  3. Step 3: Cross multiply
    89,747.34x = 123,857.18 × 51,519.27
  4. Step 4: Simplify right side
    89,747.34x = 6,381,031,497.86
  5. Step 5: Solve for x
    x = 6,381,031,497.86/89,747.34
  6. Step 6: Final answer
    x = 71,099.95

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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.