Home / 80,019.20-119,994.24-33,240.08

Finding the Fourth Proportional to 80,019.20, 119,994.24 and 33,240.08

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Solution

The fourth proportional to 80,019.20, 119,994.24 and 33,240.08 is: 49,845.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,019.20 : 119,994.24 = 33,240.08 : x
  2. Step 2: Convert to fraction form
    80,019.20/119,994.24 = 33,240.08/x
  3. Step 3: Cross multiply
    80,019.20x = 119,994.24 × 33,240.08
  4. Step 4: Simplify right side
    80,019.20x = 3,988,618,137.14
  5. Step 5: Solve for x
    x = 3,988,618,137.14/80,019.20
  6. Step 6: Final answer
    x = 49,845.76

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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.