Home / 87,049.38-130,577.16-27,877.36

Finding the Fourth Proportional to 87,049.38, 130,577.16 and 27,877.36

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Solution

The fourth proportional to 87,049.38, 130,577.16 and 27,877.36 is: 41,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,049.38 : 130,577.16 = 27,877.36 : x
  2. Step 2: Convert to fraction form
    87,049.38/130,577.16 = 27,877.36/x
  3. Step 3: Cross multiply
    87,049.38x = 130,577.16 × 27,877.36
  4. Step 4: Simplify right side
    87,049.38x = 3,640,146,497.10
  5. Step 5: Solve for x
    x = 3,640,146,497.10/87,049.38
  6. Step 6: Final answer
    x = 41,817.03

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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.