Home / 87,924.09-131,906.88-28,759.53

Finding the Fourth Proportional to 87,924.09, 131,906.88 and 28,759.53

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Solution

The fourth proportional to 87,924.09, 131,906.88 and 28,759.53 is: 43,146.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,924.09 : 131,906.88 = 28,759.53 : x
  2. Step 2: Convert to fraction form
    87,924.09/131,906.88 = 28,759.53/x
  3. Step 3: Cross multiply
    87,924.09x = 131,906.88 × 28,759.53
  4. Step 4: Simplify right side
    87,924.09x = 3,793,579,872.57
  5. Step 5: Solve for x
    x = 3,793,579,872.57/87,924.09
  6. Step 6: Final answer
    x = 43,146.08

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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.