Home / 117,481.18-162,124.17-63,766.20

Finding the Fourth Proportional to 117,481.18, 162,124.17 and 63,766.20

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Solution

The fourth proportional to 117,481.18, 162,124.17 and 63,766.20 is: 87,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,481.18 : 162,124.17 = 63,766.20 : x
  2. Step 2: Convert to fraction form
    117,481.18/162,124.17 = 63,766.20/x
  3. Step 3: Cross multiply
    117,481.18x = 162,124.17 × 63,766.20
  4. Step 4: Simplify right side
    117,481.18x = 10,338,042,249.05
  5. Step 5: Solve for x
    x = 10,338,042,249.05/117,481.18
  6. Step 6: Final answer
    x = 87,997.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.