Home / 54,367.98-81,542.39-14,387.33

Finding the Fourth Proportional to 54,367.98, 81,542.39 and 14,387.33

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Solution

The fourth proportional to 54,367.98, 81,542.39 and 14,387.33 is: 21,578.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,367.98 : 81,542.39 = 14,387.33 : x
  2. Step 2: Convert to fraction form
    54,367.98/81,542.39 = 14,387.33/x
  3. Step 3: Cross multiply
    54,367.98x = 81,542.39 × 14,387.33
  4. Step 4: Simplify right side
    54,367.98x = 1,173,176,794.27
  5. Step 5: Solve for x
    x = 1,173,176,794.27/54,367.98
  6. Step 6: Final answer
    x = 21,578.45

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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.