Home / 123,979.97-185,982.27-49,151.76

Finding the Fourth Proportional to 123,979.97, 185,982.27 and 49,151.76

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Solution

The fourth proportional to 123,979.97, 185,982.27 and 49,151.76 is: 73,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,979.97 : 185,982.27 = 49,151.76 : x
  2. Step 2: Convert to fraction form
    123,979.97/185,982.27 = 49,151.76/x
  3. Step 3: Cross multiply
    123,979.97x = 185,982.27 × 49,151.76
  4. Step 4: Simplify right side
    123,979.97x = 9,141,355,899.30
  5. Step 5: Solve for x
    x = 9,141,355,899.30/123,979.97
  6. Step 6: Final answer
    x = 73,732.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.