Home / 80,843.20-111,567.05-45,033.22

Finding the Fourth Proportional to 80,843.20, 111,567.05 and 45,033.22

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Solution

The fourth proportional to 80,843.20, 111,567.05 and 45,033.22 is: 62,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,843.20 : 111,567.05 = 45,033.22 : x
  2. Step 2: Convert to fraction form
    80,843.20/111,567.05 = 45,033.22/x
  3. Step 3: Cross multiply
    80,843.20x = 111,567.05 × 45,033.22
  4. Step 4: Simplify right side
    80,843.20x = 5,024,223,507.40
  5. Step 5: Solve for x
    x = 5,024,223,507.40/80,843.20
  6. Step 6: Final answer
    x = 62,147.76

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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.