Home / 54,975.49-82,471.33-19,906.94

Finding the Fourth Proportional to 54,975.49, 82,471.33 and 19,906.94

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Solution

The fourth proportional to 54,975.49, 82,471.33 and 19,906.94 is: 29,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,975.49 : 82,471.33 = 19,906.94 : x
  2. Step 2: Convert to fraction form
    54,975.49/82,471.33 = 19,906.94/x
  3. Step 3: Cross multiply
    54,975.49x = 82,471.33 × 19,906.94
  4. Step 4: Simplify right side
    54,975.49x = 1,641,751,818.03
  5. Step 5: Solve for x
    x = 1,641,751,818.03/54,975.49
  6. Step 6: Final answer
    x = 29,863.34

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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.