Home / 78,162.18-107,863.34-44,181.66

Finding the Fourth Proportional to 78,162.18, 107,863.34 and 44,181.66

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Solution

The fourth proportional to 78,162.18, 107,863.34 and 44,181.66 is: 60,970.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,162.18 : 107,863.34 = 44,181.66 : x
  2. Step 2: Convert to fraction form
    78,162.18/107,863.34 = 44,181.66/x
  3. Step 3: Cross multiply
    78,162.18x = 107,863.34 × 44,181.66
  4. Step 4: Simplify right side
    78,162.18x = 4,765,581,414.34
  5. Step 5: Solve for x
    x = 4,765,581,414.34/78,162.18
  6. Step 6: Final answer
    x = 60,970.43

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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.