Home / 87,798.06-131,726.66-27,836.33

Finding the Fourth Proportional to 87,798.06, 131,726.66 and 27,836.33

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Solution

The fourth proportional to 87,798.06, 131,726.66 and 27,836.33 is: 41,763.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,798.06 : 131,726.66 = 27,836.33 : x
  2. Step 2: Convert to fraction form
    87,798.06/131,726.66 = 27,836.33/x
  3. Step 3: Cross multiply
    87,798.06x = 131,726.66 × 27,836.33
  4. Step 4: Simplify right side
    87,798.06x = 3,666,785,979.74
  5. Step 5: Solve for x
    x = 3,666,785,979.74/87,798.06
  6. Step 6: Final answer
    x = 41,763.86

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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.