Home / 45,979.43-68,974.55-16,401.47

Finding the Fourth Proportional to 45,979.43, 68,974.55 and 16,401.47

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Solution

The fourth proportional to 45,979.43, 68,974.55 and 16,401.47 is: 24,604.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,979.43 : 68,974.55 = 16,401.47 : x
  2. Step 2: Convert to fraction form
    45,979.43/68,974.55 = 16,401.47/x
  3. Step 3: Cross multiply
    45,979.43x = 68,974.55 × 16,401.47
  4. Step 4: Simplify right side
    45,979.43x = 1,131,283,930.58
  5. Step 5: Solve for x
    x = 1,131,283,930.58/45,979.43
  6. Step 6: Final answer
    x = 24,604.13

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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.