Home / 120,979.24-166,951.20-67,262.56

Finding the Fourth Proportional to 120,979.24, 166,951.20 and 67,262.56

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Solution

The fourth proportional to 120,979.24, 166,951.20 and 67,262.56 is: 92,822.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,979.24 : 166,951.20 = 67,262.56 : x
  2. Step 2: Convert to fraction form
    120,979.24/166,951.20 = 67,262.56/x
  3. Step 3: Cross multiply
    120,979.24x = 166,951.20 × 67,262.56
  4. Step 4: Simplify right side
    120,979.24x = 11,229,565,107.07
  5. Step 5: Solve for x
    x = 11,229,565,107.07/120,979.24
  6. Step 6: Final answer
    x = 92,822.25

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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.