Home / 54,226.23-81,343.19-16,781.41

Finding the Fourth Proportional to 54,226.23, 81,343.19 and 16,781.41

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Solution

The fourth proportional to 54,226.23, 81,343.19 and 16,781.41 is: 25,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,226.23 : 81,343.19 = 16,781.41 : x
  2. Step 2: Convert to fraction form
    54,226.23/81,343.19 = 16,781.41/x
  3. Step 3: Cross multiply
    54,226.23x = 81,343.19 × 16,781.41
  4. Step 4: Simplify right side
    54,226.23x = 1,365,053,422.10
  5. Step 5: Solve for x
    x = 1,365,053,422.10/54,226.23
  6. Step 6: Final answer
    x = 25,173.30

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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.