Home / 123,367.68-170,255.27-69,633.09

Finding the Fourth Proportional to 123,367.68, 170,255.27 and 69,633.09

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Solution

The fourth proportional to 123,367.68, 170,255.27 and 69,633.09 is: 96,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,367.68 : 170,255.27 = 69,633.09 : x
  2. Step 2: Convert to fraction form
    123,367.68/170,255.27 = 69,633.09/x
  3. Step 3: Cross multiply
    123,367.68x = 170,255.27 × 69,633.09
  4. Step 4: Simplify right side
    123,367.68x = 11,855,400,190.72
  5. Step 5: Solve for x
    x = 11,855,400,190.72/123,367.68
  6. Step 6: Final answer
    x = 96,098.10

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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.