Home / 43,828.20-65,742.30-16,122.60

Finding the Fourth Proportional to 43,828.20, 65,742.30 and 16,122.60

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Solution

The fourth proportional to 43,828.20, 65,742.30 and 16,122.60 is: 24,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,828.20 : 65,742.30 = 16,122.60 : x
  2. Step 2: Convert to fraction form
    43,828.20/65,742.30 = 16,122.60/x
  3. Step 3: Cross multiply
    43,828.20x = 65,742.30 × 16,122.60
  4. Step 4: Simplify right side
    43,828.20x = 1,059,936,805.98
  5. Step 5: Solve for x
    x = 1,059,936,805.98/43,828.20
  6. Step 6: Final answer
    x = 24,183.90

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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.