Home / 87,186.88-130,781.53-24,857.38

Finding the Fourth Proportional to 87,186.88, 130,781.53 and 24,857.38

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Solution

The fourth proportional to 87,186.88, 130,781.53 and 24,857.38 is: 37,286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,186.88 : 130,781.53 = 24,857.38 : x
  2. Step 2: Convert to fraction form
    87,186.88/130,781.53 = 24,857.38/x
  3. Step 3: Cross multiply
    87,186.88x = 130,781.53 × 24,857.38
  4. Step 4: Simplify right side
    87,186.88x = 3,250,885,534.28
  5. Step 5: Solve for x
    x = 3,250,885,534.28/87,186.88
  6. Step 6: Final answer
    x = 37,286.41

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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.