Home / 80,170.26-110,633.23-43,871.55

Finding the Fourth Proportional to 80,170.26, 110,633.23 and 43,871.55

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Solution

The fourth proportional to 80,170.26, 110,633.23 and 43,871.55 is: 60,541.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,170.26 : 110,633.23 = 43,871.55 : x
  2. Step 2: Convert to fraction form
    80,170.26/110,633.23 = 43,871.55/x
  3. Step 3: Cross multiply
    80,170.26x = 110,633.23 × 43,871.55
  4. Step 4: Simplify right side
    80,170.26x = 4,853,651,281.61
  5. Step 5: Solve for x
    x = 4,853,651,281.61/80,170.26
  6. Step 6: Final answer
    x = 60,541.79

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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.