Home / 108,003.12-161,997.48-51,883.44

Finding the Fourth Proportional to 108,003.12, 161,997.48 and 51,883.44

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Solution

The fourth proportional to 108,003.12, 161,997.48 and 51,883.44 is: 77,821.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,003.12 : 161,997.48 = 51,883.44 : x
  2. Step 2: Convert to fraction form
    108,003.12/161,997.48 = 51,883.44/x
  3. Step 3: Cross multiply
    108,003.12x = 161,997.48 × 51,883.44
  4. Step 4: Simplify right side
    108,003.12x = 8,404,986,533.73
  5. Step 5: Solve for x
    x = 8,404,986,533.73/108,003.12
  6. Step 6: Final answer
    x = 77,821.70

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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.