Home / 43,467.12-65,217.96-20,104.56

Finding the Fourth Proportional to 43,467.12, 65,217.96 and 20,104.56

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Solution

The fourth proportional to 43,467.12, 65,217.96 and 20,104.56 is: 30,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,467.12 : 65,217.96 = 20,104.56 : x
  2. Step 2: Convert to fraction form
    43,467.12/65,217.96 = 20,104.56/x
  3. Step 3: Cross multiply
    43,467.12x = 65,217.96 × 20,104.56
  4. Step 4: Simplify right side
    43,467.12x = 1,311,178,389.90
  5. Step 5: Solve for x
    x = 1,311,178,389.90/43,467.12
  6. Step 6: Final answer
    x = 30,164.83

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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.