Home / 87,257.26-130,627.54-53,869.97

Finding the Fourth Proportional to 87,257.26, 130,627.54 and 53,869.97

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Solution

The fourth proportional to 87,257.26, 130,627.54 and 53,869.97 is: 80,645.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,257.26 : 130,627.54 = 53,869.97 : x
  2. Step 2: Convert to fraction form
    87,257.26/130,627.54 = 53,869.97/x
  3. Step 3: Cross multiply
    87,257.26x = 130,627.54 × 53,869.97
  4. Step 4: Simplify right side
    87,257.26x = 7,036,901,660.97
  5. Step 5: Solve for x
    x = 7,036,901,660.97/87,257.26
  6. Step 6: Final answer
    x = 80,645.46

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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.