Home / 106,581.20-159,842.64-40,016.21

Finding the Fourth Proportional to 106,581.20, 159,842.64 and 40,016.21

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Solution

The fourth proportional to 106,581.20, 159,842.64 and 40,016.21 is: 60,013.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,581.20 : 159,842.64 = 40,016.21 : x
  2. Step 2: Convert to fraction form
    106,581.20/159,842.64 = 40,016.21/x
  3. Step 3: Cross multiply
    106,581.20x = 159,842.64 × 40,016.21
  4. Step 4: Simplify right side
    106,581.20x = 6,396,296,649.19
  5. Step 5: Solve for x
    x = 6,396,296,649.19/106,581.20
  6. Step 6: Final answer
    x = 60,013.37

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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.