Home / 89,515.88-123,529.09-49,229.52

Finding the Fourth Proportional to 89,515.88, 123,529.09 and 49,229.52

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Solution

The fourth proportional to 89,515.88, 123,529.09 and 49,229.52 is: 67,935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,515.88 : 123,529.09 = 49,229.52 : x
  2. Step 2: Convert to fraction form
    89,515.88/123,529.09 = 49,229.52/x
  3. Step 3: Cross multiply
    89,515.88x = 123,529.09 × 49,229.52
  4. Step 4: Simplify right side
    89,515.88x = 6,081,277,806.74
  5. Step 5: Solve for x
    x = 6,081,277,806.74/89,515.88
  6. Step 6: Final answer
    x = 67,935.18

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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.