Home / 43,912.61-65,739.69-27,219.05

Finding the Fourth Proportional to 43,912.61, 65,739.69 and 27,219.05

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Solution

The fourth proportional to 43,912.61, 65,739.69 and 27,219.05 is: 40,748.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,912.61 : 65,739.69 = 27,219.05 : x
  2. Step 2: Convert to fraction form
    43,912.61/65,739.69 = 27,219.05/x
  3. Step 3: Cross multiply
    43,912.61x = 65,739.69 × 27,219.05
  4. Step 4: Simplify right side
    43,912.61x = 1,789,371,909.09
  5. Step 5: Solve for x
    x = 1,789,371,909.09/43,912.61
  6. Step 6: Final answer
    x = 40,748.48

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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.