Home / 54,116.20-81,187.10-17,180.20

Finding the Fourth Proportional to 54,116.20, 81,187.10 and 17,180.20

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Solution

The fourth proportional to 54,116.20, 81,187.10 and 17,180.20 is: 25,774.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,116.20 : 81,187.10 = 17,180.20 : x
  2. Step 2: Convert to fraction form
    54,116.20/81,187.10 = 17,180.20/x
  3. Step 3: Cross multiply
    54,116.20x = 81,187.10 × 17,180.20
  4. Step 4: Simplify right side
    54,116.20x = 1,394,810,615.42
  5. Step 5: Solve for x
    x = 1,394,810,615.42/54,116.20
  6. Step 6: Final answer
    x = 25,774.36

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1.5x scale

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.