Home / 123,936.68-171,033.66-67,348.04

Finding the Fourth Proportional to 123,936.68, 171,033.66 and 67,348.04

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Solution

The fourth proportional to 123,936.68, 171,033.66 and 67,348.04 is: 92,940.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,936.68 : 171,033.66 = 67,348.04 : x
  2. Step 2: Convert to fraction form
    123,936.68/171,033.66 = 67,348.04/x
  3. Step 3: Cross multiply
    123,936.68x = 171,033.66 × 67,348.04
  4. Step 4: Simplify right side
    123,936.68x = 11,518,781,775.03
  5. Step 5: Solve for x
    x = 11,518,781,775.03/123,936.68
  6. Step 6: Final answer
    x = 92,940.86

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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.