Home / 87,694.48-131,554.40-27,702.64

Finding the Fourth Proportional to 87,694.48, 131,554.40 and 27,702.64

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Solution

The fourth proportional to 87,694.48, 131,554.40 and 27,702.64 is: 41,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,694.48 : 131,554.40 = 27,702.64 : x
  2. Step 2: Convert to fraction form
    87,694.48/131,554.40 = 27,702.64/x
  3. Step 3: Cross multiply
    87,694.48x = 131,554.40 × 27,702.64
  4. Step 4: Simplify right side
    87,694.48x = 3,644,404,183.62
  5. Step 5: Solve for x
    x = 3,644,404,183.62/87,694.48
  6. Step 6: Final answer
    x = 41,557.97

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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.