Home / 87,086.07-130,610.52-27,905.85

Finding the Fourth Proportional to 87,086.07, 130,610.52 and 27,905.85

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Solution

The fourth proportional to 87,086.07, 130,610.52 and 27,905.85 is: 41,852.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,086.07 : 130,610.52 = 27,905.85 : x
  2. Step 2: Convert to fraction form
    87,086.07/130,610.52 = 27,905.85/x
  3. Step 3: Cross multiply
    87,086.07x = 130,610.52 × 27,905.85
  4. Step 4: Simplify right side
    87,086.07x = 3,644,797,579.54
  5. Step 5: Solve for x
    x = 3,644,797,579.54/87,086.07
  6. Step 6: Final answer
    x = 41,852.82

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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.