Home / 80,551.44-111,201.39-50,353.56

Finding the Fourth Proportional to 80,551.44, 111,201.39 and 50,353.56

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Solution

The fourth proportional to 80,551.44, 111,201.39 and 50,353.56 is: 69,513.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,551.44 : 111,201.39 = 50,353.56 : x
  2. Step 2: Convert to fraction form
    80,551.44/111,201.39 = 50,353.56/x
  3. Step 3: Cross multiply
    80,551.44x = 111,201.39 × 50,353.56
  4. Step 4: Simplify right side
    80,551.44x = 5,599,385,863.45
  5. Step 5: Solve for x
    x = 5,599,385,863.45/80,551.44
  6. Step 6: Final answer
    x = 69,513.17

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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.