Home / 120,717.25-166,588.57-67,002.73

Finding the Fourth Proportional to 120,717.25, 166,588.57 and 67,002.73

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Solution

The fourth proportional to 120,717.25, 166,588.57 and 67,002.73 is: 92,463.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,717.25 : 166,588.57 = 67,002.73 : x
  2. Step 2: Convert to fraction form
    120,717.25/166,588.57 = 67,002.73/x
  3. Step 3: Cross multiply
    120,717.25x = 166,588.57 × 67,002.73
  4. Step 4: Simplify right side
    120,717.25x = 11,161,888,976.80
  5. Step 5: Solve for x
    x = 11,161,888,976.80/120,717.25
  6. Step 6: Final answer
    x = 92,463.08

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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.