Home / 106,086.11-159,138.72-27,201.02

Finding the Fourth Proportional to 106,086.11, 159,138.72 and 27,201.02

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Solution

The fourth proportional to 106,086.11, 159,138.72 and 27,201.02 is: 40,803.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,086.11 : 159,138.72 = 27,201.02 : x
  2. Step 2: Convert to fraction form
    106,086.11/159,138.72 = 27,201.02/x
  3. Step 3: Cross multiply
    106,086.11x = 159,138.72 × 27,201.02
  4. Step 4: Simplify right side
    106,086.11x = 4,328,734,709.80
  5. Step 5: Solve for x
    x = 4,328,734,709.80/106,086.11
  6. Step 6: Final answer
    x = 40,803.97

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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.