Home / 80,537.39-111,197.21-50,336.27

Finding the Fourth Proportional to 80,537.39, 111,197.21 and 50,336.27

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Solution

The fourth proportional to 80,537.39, 111,197.21 and 50,336.27 is: 69,498.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,537.39 : 111,197.21 = 50,336.27 : x
  2. Step 2: Convert to fraction form
    80,537.39/111,197.21 = 50,336.27/x
  3. Step 3: Cross multiply
    80,537.39x = 111,197.21 × 50,336.27
  4. Step 4: Simplify right side
    80,537.39x = 5,597,252,785.81
  5. Step 5: Solve for x
    x = 5,597,252,785.81/80,537.39
  6. Step 6: Final answer
    x = 69,498.81

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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.