Home / 89,332.13-123,279.89-49,047.59

Finding the Fourth Proportional to 89,332.13, 123,279.89 and 49,047.59

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Solution

The fourth proportional to 89,332.13, 123,279.89 and 49,047.59 is: 67,686.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,332.13 : 123,279.89 = 49,047.59 : x
  2. Step 2: Convert to fraction form
    89,332.13/123,279.89 = 49,047.59/x
  3. Step 3: Cross multiply
    89,332.13x = 123,279.89 × 49,047.59
  4. Step 4: Simplify right side
    89,332.13x = 6,046,581,562.93
  5. Step 5: Solve for x
    x = 6,046,581,562.93/89,332.13
  6. Step 6: Final answer
    x = 67,686.52

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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.