Home / 54,876.69-82,310.92-19,816.34

Finding the Fourth Proportional to 54,876.69, 82,310.92 and 19,816.34

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Solution

The fourth proportional to 54,876.69, 82,310.92 and 19,816.34 is: 29,723.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,876.69 : 82,310.92 = 19,816.34 : x
  2. Step 2: Convert to fraction form
    54,876.69/82,310.92 = 19,816.34/x
  3. Step 3: Cross multiply
    54,876.69x = 82,310.92 × 19,816.34
  4. Step 4: Simplify right side
    54,876.69x = 1,631,100,715.34
  5. Step 5: Solve for x
    x = 1,631,100,715.34/54,876.69
  6. Step 6: Final answer
    x = 29,723.02

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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.