Home / 123,764.56-170,794.12-67,174.64

Finding the Fourth Proportional to 123,764.56, 170,794.12 and 67,174.64

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Solution

The fourth proportional to 123,764.56, 170,794.12 and 67,174.64 is: 92,700.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,764.56 : 170,794.12 = 67,174.64 : x
  2. Step 2: Convert to fraction form
    123,764.56/170,794.12 = 67,174.64/x
  3. Step 3: Cross multiply
    123,764.56x = 170,794.12 × 67,174.64
  4. Step 4: Simplify right side
    123,764.56x = 11,473,033,525.12
  5. Step 5: Solve for x
    x = 11,473,033,525.12/123,764.56
  6. Step 6: Final answer
    x = 92,700.48

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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.