Home / 87,968.40-131,853.54-43,626.96

Finding the Fourth Proportional to 87,968.40, 131,853.54 and 43,626.96

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Solution

The fourth proportional to 87,968.40, 131,853.54 and 43,626.96 is: 65,391.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,968.40 : 131,853.54 = 43,626.96 : x
  2. Step 2: Convert to fraction form
    87,968.40/131,853.54 = 43,626.96/x
  3. Step 3: Cross multiply
    87,968.40x = 131,853.54 × 43,626.96
  4. Step 4: Simplify right side
    87,968.40x = 5,752,369,115.44
  5. Step 5: Solve for x
    x = 5,752,369,115.44/87,968.40
  6. Step 6: Final answer
    x = 65,391.31

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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.