Home / 80,537.91-111,197.90-50,336.79

Finding the Fourth Proportional to 80,537.91, 111,197.90 and 50,336.79

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Solution

The fourth proportional to 80,537.91, 111,197.90 and 50,336.79 is: 69,499.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,537.91 : 111,197.90 = 50,336.79 : x
  2. Step 2: Convert to fraction form
    80,537.91/111,197.90 = 50,336.79/x
  3. Step 3: Cross multiply
    80,537.91x = 111,197.90 × 50,336.79
  4. Step 4: Simplify right side
    80,537.91x = 5,597,345,340.74
  5. Step 5: Solve for x
    x = 5,597,345,340.74/80,537.91
  6. Step 6: Final answer
    x = 69,499.51

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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.