Home / 47,375.27-65,378-25,865.05

Finding the Fourth Proportional to 47,375.27, 65,378 and 25,865.05

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Solution

The fourth proportional to 47,375.27, 65,378 and 25,865.05 is: 35,693.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,375.27 : 65,378 = 25,865.05 : x
  2. Step 2: Convert to fraction form
    47,375.27/65,378 = 25,865.05/x
  3. Step 3: Cross multiply
    47,375.27x = 65,378 × 25,865.05
  4. Step 4: Simplify right side
    47,375.27x = 1,691,005,238.90
  5. Step 5: Solve for x
    x = 1,691,005,238.90/47,375.27
  6. Step 6: Final answer
    x = 35,693.84

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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.