Home / 80,963.52-121,425.68-41,500.32

Finding the Fourth Proportional to 80,963.52, 121,425.68 and 41,500.32

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Solution

The fourth proportional to 80,963.52, 121,425.68 and 41,500.32 is: 62,240.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,963.52 : 121,425.68 = 41,500.32 : x
  2. Step 2: Convert to fraction form
    80,963.52/121,425.68 = 41,500.32/x
  3. Step 3: Cross multiply
    80,963.52x = 121,425.68 × 41,500.32
  4. Step 4: Simplify right side
    80,963.52x = 5,039,204,576.22
  5. Step 5: Solve for x
    x = 5,039,204,576.22/80,963.52
  6. Step 6: Final answer
    x = 62,240.43

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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.