Home / 87,084.52-130,626.78-27,924.80

Finding the Fourth Proportional to 87,084.52, 130,626.78 and 27,924.80

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Solution

The fourth proportional to 87,084.52, 130,626.78 and 27,924.80 is: 41,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,084.52 : 130,626.78 = 27,924.80 : x
  2. Step 2: Convert to fraction form
    87,084.52/130,626.78 = 27,924.80/x
  3. Step 3: Cross multiply
    87,084.52x = 130,626.78 × 27,924.80
  4. Step 4: Simplify right side
    87,084.52x = 3,647,726,683.07
  5. Step 5: Solve for x
    x = 3,647,726,683.07/87,084.52
  6. Step 6: Final answer
    x = 41,887.20

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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.