Home / 120,964.02-166,920.89-67,245.77

Finding the Fourth Proportional to 120,964.02, 166,920.89 and 67,245.77

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Solution

The fourth proportional to 120,964.02, 166,920.89 and 67,245.77 is: 92,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,964.02 : 166,920.89 = 67,245.77 : x
  2. Step 2: Convert to fraction form
    120,964.02/166,920.89 = 67,245.77/x
  3. Step 3: Cross multiply
    120,964.02x = 166,920.89 × 67,245.77
  4. Step 4: Simplify right side
    120,964.02x = 11,224,722,942.53
  5. Step 5: Solve for x
    x = 11,224,722,942.53/120,964.02
  6. Step 6: Final answer
    x = 92,793.90

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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.