Home / 43,825.20-65,737.80-16,119.60

Finding the Fourth Proportional to 43,825.20, 65,737.80 and 16,119.60

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Solution

The fourth proportional to 43,825.20, 65,737.80 and 16,119.60 is: 24,179.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,825.20 : 65,737.80 = 16,119.60 : x
  2. Step 2: Convert to fraction form
    43,825.20/65,737.80 = 16,119.60/x
  3. Step 3: Cross multiply
    43,825.20x = 65,737.80 × 16,119.60
  4. Step 4: Simplify right side
    43,825.20x = 1,059,667,040.88
  5. Step 5: Solve for x
    x = 1,059,667,040.88/43,825.20
  6. Step 6: Final answer
    x = 24,179.40

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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.