Home / 81,935.96-122,876.60-32,003.10

Finding the Fourth Proportional to 81,935.96, 122,876.60 and 32,003.10

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Solution

The fourth proportional to 81,935.96, 122,876.60 and 32,003.10 is: 47,993.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,935.96 : 122,876.60 = 32,003.10 : x
  2. Step 2: Convert to fraction form
    81,935.96/122,876.60 = 32,003.10/x
  3. Step 3: Cross multiply
    81,935.96x = 122,876.60 × 32,003.10
  4. Step 4: Simplify right side
    81,935.96x = 3,932,431,957.44
  5. Step 5: Solve for x
    x = 3,932,431,957.44/81,935.96
  6. Step 6: Final answer
    x = 47,993.97

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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.