Home / 87,876.88-131,837.80-25,547.38

Finding the Fourth Proportional to 87,876.88, 131,837.80 and 25,547.38

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Solution

The fourth proportional to 87,876.88, 131,837.80 and 25,547.38 is: 38,327.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,876.88 : 131,837.80 = 25,547.38 : x
  2. Step 2: Convert to fraction form
    87,876.88/131,837.80 = 25,547.38/x
  3. Step 3: Cross multiply
    87,876.88x = 131,837.80 × 25,547.38
  4. Step 4: Simplify right side
    87,876.88x = 3,368,110,374.96
  5. Step 5: Solve for x
    x = 3,368,110,374.96/87,876.88
  6. Step 6: Final answer
    x = 38,327.61

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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.