Home / 47,201.64-65,135.78-25,976.80

Finding the Fourth Proportional to 47,201.64, 65,135.78 and 25,976.80

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Solution

The fourth proportional to 47,201.64, 65,135.78 and 25,976.80 is: 35,846.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,201.64 : 65,135.78 = 25,976.80 : x
  2. Step 2: Convert to fraction form
    47,201.64/65,135.78 = 25,976.80/x
  3. Step 3: Cross multiply
    47,201.64x = 65,135.78 × 25,976.80
  4. Step 4: Simplify right side
    47,201.64x = 1,692,019,129.90
  5. Step 5: Solve for x
    x = 1,692,019,129.90/47,201.64
  6. Step 6: Final answer
    x = 35,846.62

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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.