Home / 47,286.89-65,255.10-25,776.87

Finding the Fourth Proportional to 47,286.89, 65,255.10 and 25,776.87

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Solution

The fourth proportional to 47,286.89, 65,255.10 and 25,776.87 is: 35,571.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,286.89 : 65,255.10 = 25,776.87 : x
  2. Step 2: Convert to fraction form
    47,286.89/65,255.10 = 25,776.87/x
  3. Step 3: Cross multiply
    47,286.89x = 65,255.10 × 25,776.87
  4. Step 4: Simplify right side
    47,286.89x = 1,682,072,229.54
  5. Step 5: Solve for x
    x = 1,682,072,229.54/47,286.89
  6. Step 6: Final answer
    x = 35,571.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.