Home / 54,176.51-81,272.57-16,739.87

Finding the Fourth Proportional to 54,176.51, 81,272.57 and 16,739.87

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Solution

The fourth proportional to 54,176.51, 81,272.57 and 16,739.87 is: 25,112.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,176.51 : 81,272.57 = 16,739.87 : x
  2. Step 2: Convert to fraction form
    54,176.51/81,272.57 = 16,739.87/x
  3. Step 3: Cross multiply
    54,176.51x = 81,272.57 × 16,739.87
  4. Step 4: Simplify right side
    54,176.51x = 1,360,491,766.30
  5. Step 5: Solve for x
    x = 1,360,491,766.30/54,176.51
  6. Step 6: Final answer
    x = 25,112.21

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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.