Home / 123,936.04-171,034.26-67,351.06

Finding the Fourth Proportional to 123,936.04, 171,034.26 and 67,351.06

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Solution

The fourth proportional to 123,936.04, 171,034.26 and 67,351.06 is: 92,945.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,936.04 : 171,034.26 = 67,351.06 : x
  2. Step 2: Convert to fraction form
    123,936.04/171,034.26 = 67,351.06/x
  3. Step 3: Cross multiply
    123,936.04x = 171,034.26 × 67,351.06
  4. Step 4: Simplify right side
    123,936.04x = 11,519,338,707.32
  5. Step 5: Solve for x
    x = 11,519,338,707.32/123,936.04
  6. Step 6: Final answer
    x = 92,945.83

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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.