Home / 47,138.78-65,052.75-25,629.97

Finding the Fourth Proportional to 47,138.78, 65,052.75 and 25,629.97

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Solution

The fourth proportional to 47,138.78, 65,052.75 and 25,629.97 is: 35,370.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,138.78 : 65,052.75 = 25,629.97 : x
  2. Step 2: Convert to fraction form
    47,138.78/65,052.75 = 25,629.97/x
  3. Step 3: Cross multiply
    47,138.78x = 65,052.75 × 25,629.97
  4. Step 4: Simplify right side
    47,138.78x = 1,667,300,030.92
  5. Step 5: Solve for x
    x = 1,667,300,030.92/47,138.78
  6. Step 6: Final answer
    x = 35,370.03

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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.