Home / 89,544.77-123,569.78-49,257.65

Finding the Fourth Proportional to 89,544.77, 123,569.78 and 49,257.65

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Solution

The fourth proportional to 89,544.77, 123,569.78 and 49,257.65 is: 67,974.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,544.77 : 123,569.78 = 49,257.65 : x
  2. Step 2: Convert to fraction form
    89,544.77/123,569.78 = 49,257.65/x
  3. Step 3: Cross multiply
    89,544.77x = 123,569.78 × 49,257.65
  4. Step 4: Simplify right side
    89,544.77x = 6,086,757,174.99
  5. Step 5: Solve for x
    x = 6,086,757,174.99/89,544.77
  6. Step 6: Final answer
    x = 67,974.45

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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.