Home / 120,949.56-166,907.46-67,234.04

Finding the Fourth Proportional to 120,949.56, 166,907.46 and 67,234.04

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Solution

The fourth proportional to 120,949.56, 166,907.46 and 67,234.04 is: 92,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,949.56 : 166,907.46 = 67,234.04 : x
  2. Step 2: Convert to fraction form
    120,949.56/166,907.46 = 67,234.04/x
  3. Step 3: Cross multiply
    120,949.56x = 166,907.46 × 67,234.04
  4. Step 4: Simplify right side
    120,949.56x = 11,221,862,841.94
  5. Step 5: Solve for x
    x = 11,221,862,841.94/120,949.56
  6. Step 6: Final answer
    x = 92,781.34

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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.