Home / 123,727.22-170,744.02-67,138.59

Finding the Fourth Proportional to 123,727.22, 170,744.02 and 67,138.59

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Solution

The fourth proportional to 123,727.22, 170,744.02 and 67,138.59 is: 92,651.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,727.22 : 170,744.02 = 67,138.59 : x
  2. Step 2: Convert to fraction form
    123,727.22/170,744.02 = 67,138.59/x
  3. Step 3: Cross multiply
    123,727.22x = 170,744.02 × 67,138.59
  4. Step 4: Simplify right side
    123,727.22x = 11,463,513,226.18
  5. Step 5: Solve for x
    x = 11,463,513,226.18/123,727.22
  6. Step 6: Final answer
    x = 92,651.51

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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.