Home / 80,058.06-120,022.29-33,345.90

Finding the Fourth Proportional to 80,058.06, 120,022.29 and 33,345.90

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Solution

The fourth proportional to 80,058.06, 120,022.29 and 33,345.90 is: 49,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,058.06 : 120,022.29 = 33,345.90 : x
  2. Step 2: Convert to fraction form
    80,058.06/120,022.29 = 33,345.90/x
  3. Step 3: Cross multiply
    80,058.06x = 120,022.29 × 33,345.90
  4. Step 4: Simplify right side
    80,058.06x = 4,002,251,280.11
  5. Step 5: Solve for x
    x = 4,002,251,280.11/80,058.06
  6. Step 6: Final answer
    x = 49,991.86

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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.