Home / 127,540.73-191,229.03-60,979.38

Finding the Fourth Proportional to 127,540.73, 191,229.03 and 60,979.38

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Solution

The fourth proportional to 127,540.73, 191,229.03 and 60,979.38 is: 91,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,540.73 : 191,229.03 = 60,979.38 : x
  2. Step 2: Convert to fraction form
    127,540.73/191,229.03 = 60,979.38/x
  3. Step 3: Cross multiply
    127,540.73x = 191,229.03 × 60,979.38
  4. Step 4: Simplify right side
    127,540.73x = 11,661,027,687.40
  5. Step 5: Solve for x
    x = 11,661,027,687.40/127,540.73
  6. Step 6: Final answer
    x = 91,429.84

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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.