Home / 54,103.20-81,231.60-33,367.20

Finding the Fourth Proportional to 54,103.20, 81,231.60 and 33,367.20

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Solution

The fourth proportional to 54,103.20, 81,231.60 and 33,367.20 is: 50,098.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,103.20 : 81,231.60 = 33,367.20 : x
  2. Step 2: Convert to fraction form
    54,103.20/81,231.60 = 33,367.20/x
  3. Step 3: Cross multiply
    54,103.20x = 81,231.60 × 33,367.20
  4. Step 4: Simplify right side
    54,103.20x = 2,710,471,043.52
  5. Step 5: Solve for x
    x = 2,710,471,043.52/54,103.20
  6. Step 6: Final answer
    x = 50,098.17

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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.