Home / 89,819.48-123,951.12-49,532.24

Finding the Fourth Proportional to 89,819.48, 123,951.12 and 49,532.24

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Solution

The fourth proportional to 89,819.48, 123,951.12 and 49,532.24 is: 68,354.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,819.48 : 123,951.12 = 49,532.24 : x
  2. Step 2: Convert to fraction form
    89,819.48/123,951.12 = 49,532.24/x
  3. Step 3: Cross multiply
    89,819.48x = 123,951.12 × 49,532.24
  4. Step 4: Simplify right side
    89,819.48x = 6,139,576,624.11
  5. Step 5: Solve for x
    x = 6,139,576,624.11/89,819.48
  6. Step 6: Final answer
    x = 68,354.62

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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.