Home / 54,161.94-81,213.13-16,711.80

Finding the Fourth Proportional to 54,161.94, 81,213.13 and 16,711.80

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Solution

The fourth proportional to 54,161.94, 81,213.13 and 16,711.80 is: 25,058.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,161.94 : 81,213.13 = 16,711.80 : x
  2. Step 2: Convert to fraction form
    54,161.94/81,213.13 = 16,711.80/x
  3. Step 3: Cross multiply
    54,161.94x = 81,213.13 × 16,711.80
  4. Step 4: Simplify right side
    54,161.94x = 1,357,217,585.93
  5. Step 5: Solve for x
    x = 1,357,217,585.93/54,161.94
  6. Step 6: Final answer
    x = 25,058.51

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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.