Home / 74,107.29-111,161.19-17,947.31

Finding the Fourth Proportional to 74,107.29, 111,161.19 and 17,947.31

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Solution

The fourth proportional to 74,107.29, 111,161.19 and 17,947.31 is: 26,921.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,107.29 : 111,161.19 = 17,947.31 : x
  2. Step 2: Convert to fraction form
    74,107.29/111,161.19 = 17,947.31/x
  3. Step 3: Cross multiply
    74,107.29x = 111,161.19 × 17,947.31
  4. Step 4: Simplify right side
    74,107.29x = 1,995,044,336.90
  5. Step 5: Solve for x
    x = 1,995,044,336.90/74,107.29
  6. Step 6: Final answer
    x = 26,921.03

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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.