Home / 54,895.20-82,340.64-38,207.04

Finding the Fourth Proportional to 54,895.20, 82,340.64 and 38,207.04

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Solution

The fourth proportional to 54,895.20, 82,340.64 and 38,207.04 is: 57,309.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,895.20 : 82,340.64 = 38,207.04 : x
  2. Step 2: Convert to fraction form
    54,895.20/82,340.64 = 38,207.04/x
  3. Step 3: Cross multiply
    54,895.20x = 82,340.64 × 38,207.04
  4. Step 4: Simplify right side
    54,895.20x = 3,145,992,126.11
  5. Step 5: Solve for x
    x = 3,145,992,126.11/54,895.20
  6. Step 6: Final answer
    x = 57,309.06

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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.