Home / 43,921.71-65,908.80-40,348.49

Finding the Fourth Proportional to 43,921.71, 65,908.80 and 40,348.49

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Solution

The fourth proportional to 43,921.71, 65,908.80 and 40,348.49 is: 60,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,921.71 : 65,908.80 = 40,348.49 : x
  2. Step 2: Convert to fraction form
    43,921.71/65,908.80 = 40,348.49/x
  3. Step 3: Cross multiply
    43,921.71x = 65,908.80 × 40,348.49
  4. Step 4: Simplify right side
    43,921.71x = 2,659,320,823.86
  5. Step 5: Solve for x
    x = 2,659,320,823.86/43,921.71
  6. Step 6: Final answer
    x = 60,546.85

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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.