Home / 87,837.15-131,773.95-35,250.78

Finding the Fourth Proportional to 87,837.15, 131,773.95 and 35,250.78

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Solution

The fourth proportional to 87,837.15, 131,773.95 and 35,250.78 is: 52,883.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,837.15 : 131,773.95 = 35,250.78 : x
  2. Step 2: Convert to fraction form
    87,837.15/131,773.95 = 35,250.78/x
  3. Step 3: Cross multiply
    87,837.15x = 131,773.95 × 35,250.78
  4. Step 4: Simplify right side
    87,837.15x = 4,645,134,521.18
  5. Step 5: Solve for x
    x = 4,645,134,521.18/87,837.15
  6. Step 6: Final answer
    x = 52,883.48

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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.