Home / 123,764.94-170,799.26-67,179.96

Finding the Fourth Proportional to 123,764.94, 170,799.26 and 67,179.96

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Solution

The fourth proportional to 123,764.94, 170,799.26 and 67,179.96 is: 92,710.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,764.94 : 170,799.26 = 67,179.96 : x
  2. Step 2: Convert to fraction form
    123,764.94/170,799.26 = 67,179.96/x
  3. Step 3: Cross multiply
    123,764.94x = 170,799.26 × 67,179.96
  4. Step 4: Simplify right side
    123,764.94x = 11,474,287,454.83
  5. Step 5: Solve for x
    x = 11,474,287,454.83/123,764.94
  6. Step 6: Final answer
    x = 92,710.32

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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.