Home / 83,769.07-125,651.88-27,612.55

Finding the Fourth Proportional to 83,769.07, 125,651.88 and 27,612.55

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Solution

The fourth proportional to 83,769.07, 125,651.88 and 27,612.55 is: 41,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,769.07 : 125,651.88 = 27,612.55 : x
  2. Step 2: Convert to fraction form
    83,769.07/125,651.88 = 27,612.55/x
  3. Step 3: Cross multiply
    83,769.07x = 125,651.88 × 27,612.55
  4. Step 4: Simplify right side
    83,769.07x = 3,469,568,681.03
  5. Step 5: Solve for x
    x = 3,469,568,681.03/83,769.07
  6. Step 6: Final answer
    x = 41,418.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.