Home / 87,826.26-131,760.35-28,662.04

Finding the Fourth Proportional to 87,826.26, 131,760.35 and 28,662.04

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Solution

The fourth proportional to 87,826.26, 131,760.35 and 28,662.04 is: 42,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,826.26 : 131,760.35 = 28,662.04 : x
  2. Step 2: Convert to fraction form
    87,826.26/131,760.35 = 28,662.04/x
  3. Step 3: Cross multiply
    87,826.26x = 131,760.35 × 28,662.04
  4. Step 4: Simplify right side
    87,826.26x = 3,776,520,422.11
  5. Step 5: Solve for x
    x = 3,776,520,422.11/87,826.26
  6. Step 6: Final answer
    x = 42,999.90

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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.