Home / 89,749.38-123,849.10-49,463.02

Finding the Fourth Proportional to 89,749.38, 123,849.10 and 49,463.02

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Solution

The fourth proportional to 89,749.38, 123,849.10 and 49,463.02 is: 68,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,749.38 : 123,849.10 = 49,463.02 : x
  2. Step 2: Convert to fraction form
    89,749.38/123,849.10 = 49,463.02/x
  3. Step 3: Cross multiply
    89,749.38x = 123,849.10 × 49,463.02
  4. Step 4: Simplify right side
    89,749.38x = 6,125,950,726.92
  5. Step 5: Solve for x
    x = 6,125,950,726.92/89,749.38
  6. Step 6: Final answer
    x = 68,256.19

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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.