Home / 110,385.11-165,579.19-31,499.33

Finding the Fourth Proportional to 110,385.11, 165,579.19 and 31,499.33

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Solution

The fourth proportional to 110,385.11, 165,579.19 and 31,499.33 is: 47,249.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,385.11 : 165,579.19 = 31,499.33 : x
  2. Step 2: Convert to fraction form
    110,385.11/165,579.19 = 31,499.33/x
  3. Step 3: Cross multiply
    110,385.11x = 165,579.19 × 31,499.33
  4. Step 4: Simplify right side
    110,385.11x = 5,215,632,640.30
  5. Step 5: Solve for x
    x = 5,215,632,640.30/110,385.11
  6. Step 6: Final answer
    x = 47,249.42

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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.