Home / 110,481.12-165,695.40-30,517.32

Finding the Fourth Proportional to 110,481.12, 165,695.40 and 30,517.32

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Solution

The fourth proportional to 110,481.12, 165,695.40 and 30,517.32 is: 45,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,481.12 : 165,695.40 = 30,517.32 : x
  2. Step 2: Convert to fraction form
    110,481.12/165,695.40 = 30,517.32/x
  3. Step 3: Cross multiply
    110,481.12x = 165,695.40 × 30,517.32
  4. Step 4: Simplify right side
    110,481.12x = 5,056,578,810.55
  5. Step 5: Solve for x
    x = 5,056,578,810.55/110,481.12
  6. Step 6: Final answer
    x = 45,768.71

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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.