Home / 123,760.01-170,788.89-67,171.38

Finding the Fourth Proportional to 123,760.01, 170,788.89 and 67,171.38

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Solution

The fourth proportional to 123,760.01, 170,788.89 and 67,171.38 is: 92,696.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,760.01 : 170,788.89 = 67,171.38 : x
  2. Step 2: Convert to fraction form
    123,760.01/170,788.89 = 67,171.38/x
  3. Step 3: Cross multiply
    123,760.01x = 170,788.89 × 67,171.38
  4. Step 4: Simplify right side
    123,760.01x = 11,472,125,429.97
  5. Step 5: Solve for x
    x = 11,472,125,429.97/123,760.01
  6. Step 6: Final answer
    x = 92,696.55

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1.5x scale

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.