Home / 87,046.56-130,556.88-27,876.24

Finding the Fourth Proportional to 87,046.56, 130,556.88 and 27,876.24

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Solution

The fourth proportional to 87,046.56, 130,556.88 and 27,876.24 is: 41,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,046.56 : 130,556.88 = 27,876.24 : x
  2. Step 2: Convert to fraction form
    87,046.56/130,556.88 = 27,876.24/x
  3. Step 3: Cross multiply
    87,046.56x = 130,556.88 × 27,876.24
  4. Step 4: Simplify right side
    87,046.56x = 3,639,434,920.53
  5. Step 5: Solve for x
    x = 3,639,434,920.53/87,046.56
  6. Step 6: Final answer
    x = 41,810.21

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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.