Home / 80,882.20-121,356.62-33,506.83

Finding the Fourth Proportional to 80,882.20, 121,356.62 and 33,506.83

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Solution

The fourth proportional to 80,882.20, 121,356.62 and 33,506.83 is: 50,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,882.20 : 121,356.62 = 33,506.83 : x
  2. Step 2: Convert to fraction form
    80,882.20/121,356.62 = 33,506.83/x
  3. Step 3: Cross multiply
    80,882.20x = 121,356.62 × 33,506.83
  4. Step 4: Simplify right side
    80,882.20x = 4,066,275,635.71
  5. Step 5: Solve for x
    x = 4,066,275,635.71/80,882.20
  6. Step 6: Final answer
    x = 50,274.05

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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.