Home / 89,608.02-123,658.11-49,320.91

Finding the Fourth Proportional to 89,608.02, 123,658.11 and 49,320.91

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Solution

The fourth proportional to 89,608.02, 123,658.11 and 49,320.91 is: 68,062.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,608.02 : 123,658.11 = 49,320.91 : x
  2. Step 2: Convert to fraction form
    89,608.02/123,658.11 = 49,320.91/x
  3. Step 3: Cross multiply
    89,608.02x = 123,658.11 × 49,320.91
  4. Step 4: Simplify right side
    89,608.02x = 6,098,930,514.08
  5. Step 5: Solve for x
    x = 6,098,930,514.08/89,608.02
  6. Step 6: Final answer
    x = 68,062.33

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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.