Home / 120,717.11-166,581.78-67,002.14

Finding the Fourth Proportional to 120,717.11, 166,581.78 and 67,002.14

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Solution

The fourth proportional to 120,717.11, 166,581.78 and 67,002.14 is: 92,458.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,717.11 : 166,581.78 = 67,002.14 : x
  2. Step 2: Convert to fraction form
    120,717.11/166,581.78 = 67,002.14/x
  3. Step 3: Cross multiply
    120,717.11x = 166,581.78 × 67,002.14
  4. Step 4: Simplify right side
    120,717.11x = 11,161,335,745.01
  5. Step 5: Solve for x
    x = 11,161,335,745.01/120,717.11
  6. Step 6: Final answer
    x = 92,458.61

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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.