Home / 87,001.19-130,521.23-27,840.41

Finding the Fourth Proportional to 87,001.19, 130,521.23 and 27,840.41

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Solution

The fourth proportional to 87,001.19, 130,521.23 and 27,840.41 is: 41,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,001.19 : 130,521.23 = 27,840.41 : x
  2. Step 2: Convert to fraction form
    87,001.19/130,521.23 = 27,840.41/x
  3. Step 3: Cross multiply
    87,001.19x = 130,521.23 × 27,840.41
  4. Step 4: Simplify right side
    87,001.19x = 3,633,763,765.10
  5. Step 5: Solve for x
    x = 3,633,763,765.10/87,001.19
  6. Step 6: Final answer
    x = 41,766.83

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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.