Home / 54,887.10-82,338.54-16,939.62

Finding the Fourth Proportional to 54,887.10, 82,338.54 and 16,939.62

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Solution

The fourth proportional to 54,887.10, 82,338.54 and 16,939.62 is: 25,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,887.10 : 82,338.54 = 16,939.62 : x
  2. Step 2: Convert to fraction form
    54,887.10/82,338.54 = 16,939.62/x
  3. Step 3: Cross multiply
    54,887.10x = 82,338.54 × 16,939.62
  4. Step 4: Simplify right side
    54,887.10x = 1,394,783,578.95
  5. Step 5: Solve for x
    x = 1,394,783,578.95/54,887.10
  6. Step 6: Final answer
    x = 25,411.87

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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.