Home / 43,701.20-65,546.76-12,113.60

Finding the Fourth Proportional to 43,701.20, 65,546.76 and 12,113.60

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Solution

The fourth proportional to 43,701.20, 65,546.76 and 12,113.60 is: 18,169.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,701.20 : 65,546.76 = 12,113.60 : x
  2. Step 2: Convert to fraction form
    43,701.20/65,546.76 = 12,113.60/x
  3. Step 3: Cross multiply
    43,701.20x = 65,546.76 × 12,113.60
  4. Step 4: Simplify right side
    43,701.20x = 794,007,231.94
  5. Step 5: Solve for x
    x = 794,007,231.94/43,701.20
  6. Step 6: Final answer
    x = 18,169.00

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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.