Home / 123,764.52-170,794.20-67,174.68

Finding the Fourth Proportional to 123,764.52, 170,794.20 and 67,174.68

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Solution

The fourth proportional to 123,764.52, 170,794.20 and 67,174.68 is: 92,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,764.52 : 170,794.20 = 67,174.68 : x
  2. Step 2: Convert to fraction form
    123,764.52/170,794.20 = 67,174.68/x
  3. Step 3: Cross multiply
    123,764.52x = 170,794.20 × 67,174.68
  4. Step 4: Simplify right side
    123,764.52x = 11,473,045,730.86
  5. Step 5: Solve for x
    x = 11,473,045,730.86/123,764.52
  6. Step 6: Final answer
    x = 92,700.60

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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.