Home / 87,448.44-131,116.14-47,995

Finding the Fourth Proportional to 87,448.44, 131,116.14 and 47,995

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Solution

The fourth proportional to 87,448.44, 131,116.14 and 47,995 is: 71,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,448.44 : 131,116.14 = 47,995 : x
  2. Step 2: Convert to fraction form
    87,448.44/131,116.14 = 47,995/x
  3. Step 3: Cross multiply
    87,448.44x = 131,116.14 × 47,995
  4. Step 4: Simplify right side
    87,448.44x = 6,292,919,139.30
  5. Step 5: Solve for x
    x = 6,292,919,139.30/87,448.44
  6. Step 6: Final answer
    x = 71,961.48

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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.