Home / 83,451.15-125,184.42-27,291.55

Finding the Fourth Proportional to 83,451.15, 125,184.42 and 27,291.55

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Solution

The fourth proportional to 83,451.15, 125,184.42 and 27,291.55 is: 40,939.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,451.15 : 125,184.42 = 27,291.55 : x
  2. Step 2: Convert to fraction form
    83,451.15/125,184.42 = 27,291.55/x
  3. Step 3: Cross multiply
    83,451.15x = 125,184.42 × 27,291.55
  4. Step 4: Simplify right side
    83,451.15x = 3,416,476,857.65
  5. Step 5: Solve for x
    x = 3,416,476,857.65/83,451.15
  6. Step 6: Final answer
    x = 40,939.84

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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.