Home / 108,027.20-161,992.20-41,445.20

Finding the Fourth Proportional to 108,027.20, 161,992.20 and 41,445.20

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Solution

The fourth proportional to 108,027.20, 161,992.20 and 41,445.20 is: 62,149.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,027.20 : 161,992.20 = 41,445.20 : x
  2. Step 2: Convert to fraction form
    108,027.20/161,992.20 = 41,445.20/x
  3. Step 3: Cross multiply
    108,027.20x = 161,992.20 × 41,445.20
  4. Step 4: Simplify right side
    108,027.20x = 6,713,799,127.44
  5. Step 5: Solve for x
    x = 6,713,799,127.44/108,027.20
  6. Step 6: Final answer
    x = 62,149.15

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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.