Home / 80,884.19-121,359.62-33,508.82

Finding the Fourth Proportional to 80,884.19, 121,359.62 and 33,508.82

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Solution

The fourth proportional to 80,884.19, 121,359.62 and 33,508.82 is: 50,277.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,884.19 : 121,359.62 = 33,508.82 : x
  2. Step 2: Convert to fraction form
    80,884.19/121,359.62 = 33,508.82/x
  3. Step 3: Cross multiply
    80,884.19x = 121,359.62 × 33,508.82
  4. Step 4: Simplify right side
    80,884.19x = 4,066,618,049.02
  5. Step 5: Solve for x
    x = 4,066,618,049.02/80,884.19
  6. Step 6: Final answer
    x = 50,277.04

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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.