Home / 80,077.27-110,503.19-43,778.04

Finding the Fourth Proportional to 80,077.27, 110,503.19 and 43,778.04

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Solution

The fourth proportional to 80,077.27, 110,503.19 and 43,778.04 is: 60,411.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,077.27 : 110,503.19 = 43,778.04 : x
  2. Step 2: Convert to fraction form
    80,077.27/110,503.19 = 43,778.04/x
  3. Step 3: Cross multiply
    80,077.27x = 110,503.19 × 43,778.04
  4. Step 4: Simplify right side
    80,077.27x = 4,837,613,453.12
  5. Step 5: Solve for x
    x = 4,837,613,453.12/80,077.27
  6. Step 6: Final answer
    x = 60,411.82

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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.