Home / 84,371.22-126,753.66-49,335.48

Finding the Fourth Proportional to 84,371.22, 126,753.66 and 49,335.48

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Solution

The fourth proportional to 84,371.22, 126,753.66 and 49,335.48 is: 74,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,371.22 : 126,753.66 = 49,335.48 : x
  2. Step 2: Convert to fraction form
    84,371.22/126,753.66 = 49,335.48/x
  3. Step 3: Cross multiply
    84,371.22x = 126,753.66 × 49,335.48
  4. Step 4: Simplify right side
    84,371.22x = 6,253,452,657.86
  5. Step 5: Solve for x
    x = 6,253,452,657.86/84,371.22
  6. Step 6: Final answer
    x = 74,118.31

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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.