Home / 87,084.62-130,645.40-27,961.82

Finding the Fourth Proportional to 87,084.62, 130,645.40 and 27,961.82

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Solution

The fourth proportional to 87,084.62, 130,645.40 and 27,961.82 is: 41,948.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,084.62 : 130,645.40 = 27,961.82 : x
  2. Step 2: Convert to fraction form
    87,084.62/130,645.40 = 27,961.82/x
  3. Step 3: Cross multiply
    87,084.62x = 130,645.40 × 27,961.82
  4. Step 4: Simplify right side
    87,084.62x = 3,653,082,365.59
  5. Step 5: Solve for x
    x = 3,653,082,365.59/87,084.62
  6. Step 6: Final answer
    x = 41,948.65

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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.