Home / 87,898.48-131,855.82-28,734.46

Finding the Fourth Proportional to 87,898.48, 131,855.82 and 28,734.46

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Solution

The fourth proportional to 87,898.48, 131,855.82 and 28,734.46 is: 43,104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,898.48 : 131,855.82 = 28,734.46 : x
  2. Step 2: Convert to fraction form
    87,898.48/131,855.82 = 28,734.46/x
  3. Step 3: Cross multiply
    87,898.48x = 131,855.82 × 28,734.46
  4. Step 4: Simplify right side
    87,898.48x = 3,788,805,785.56
  5. Step 5: Solve for x
    x = 3,788,805,785.56/87,898.48
  6. Step 6: Final answer
    x = 43,104.34

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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.