Home / 81,452.22-122,233.68-44,023.76

Finding the Fourth Proportional to 81,452.22, 122,233.68 and 44,023.76

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Solution

The fourth proportional to 81,452.22, 122,233.68 and 44,023.76 is: 66,065.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,452.22 : 122,233.68 = 44,023.76 : x
  2. Step 2: Convert to fraction form
    81,452.22/122,233.68 = 44,023.76/x
  3. Step 3: Cross multiply
    81,452.22x = 122,233.68 × 44,023.76
  4. Step 4: Simplify right side
    81,452.22x = 5,381,185,581.07
  5. Step 5: Solve for x
    x = 5,381,185,581.07/81,452.22
  6. Step 6: Final answer
    x = 66,065.55

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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.