Home / 54,906.20-82,359.30-36,211.40

Finding the Fourth Proportional to 54,906.20, 82,359.30 and 36,211.40

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Solution

The fourth proportional to 54,906.20, 82,359.30 and 36,211.40 is: 54,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,906.20 : 82,359.30 = 36,211.40 : x
  2. Step 2: Convert to fraction form
    54,906.20/82,359.30 = 36,211.40/x
  3. Step 3: Cross multiply
    54,906.20x = 82,359.30 × 36,211.40
  4. Step 4: Simplify right side
    54,906.20x = 2,982,345,556.02
  5. Step 5: Solve for x
    x = 2,982,345,556.02/54,906.20
  6. Step 6: Final answer
    x = 54,317.10

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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.