Home / 117,481.41-162,124.51-63,766.43

Finding the Fourth Proportional to 117,481.41, 162,124.51 and 63,766.43

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Solution

The fourth proportional to 117,481.41, 162,124.51 and 63,766.43 is: 87,997.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,481.41 : 162,124.51 = 63,766.43 : x
  2. Step 2: Convert to fraction form
    117,481.41/162,124.51 = 63,766.43/x
  3. Step 3: Cross multiply
    117,481.41x = 162,124.51 × 63,766.43
  4. Step 4: Simplify right side
    117,481.41x = 10,338,101,304.68
  5. Step 5: Solve for x
    x = 10,338,101,304.68/117,481.41
  6. Step 6: Final answer
    x = 87,997.77

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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.