Home / 123,764.56-170,795.24-67,175.92

Finding the Fourth Proportional to 123,764.56, 170,795.24 and 67,175.92

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Solution

The fourth proportional to 123,764.56, 170,795.24 and 67,175.92 is: 92,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,764.56 : 170,795.24 = 67,175.92 : x
  2. Step 2: Convert to fraction form
    123,764.56/170,795.24 = 67,175.92/x
  3. Step 3: Cross multiply
    123,764.56x = 170,795.24 × 67,175.92
  4. Step 4: Simplify right side
    123,764.56x = 11,473,327,378.62
  5. Step 5: Solve for x
    x = 11,473,327,378.62/123,764.56
  6. Step 6: Final answer
    x = 92,702.85

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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.