Home / 87,877.82-131,820.38-25,548.32

Finding the Fourth Proportional to 87,877.82, 131,820.38 and 25,548.32

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Solution

The fourth proportional to 87,877.82, 131,820.38 and 25,548.32 is: 38,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,877.82 : 131,820.38 = 25,548.32 : x
  2. Step 2: Convert to fraction form
    87,877.82/131,820.38 = 25,548.32/x
  3. Step 3: Cross multiply
    87,877.82x = 131,820.38 × 25,548.32
  4. Step 4: Simplify right side
    87,877.82x = 3,367,789,250.76
  5. Step 5: Solve for x
    x = 3,367,789,250.76/87,877.82
  6. Step 6: Final answer
    x = 38,323.54

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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.