Home / 47,139.36-65,052.96-25,918.56

Finding the Fourth Proportional to 47,139.36, 65,052.96 and 25,918.56

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Solution

The fourth proportional to 47,139.36, 65,052.96 and 25,918.56 is: 35,767.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,139.36 : 65,052.96 = 25,918.56 : x
  2. Step 2: Convert to fraction form
    47,139.36/65,052.96 = 25,918.56/x
  3. Step 3: Cross multiply
    47,139.36x = 65,052.96 × 25,918.56
  4. Step 4: Simplify right side
    47,139.36x = 1,686,079,046.94
  5. Step 5: Solve for x
    x = 1,686,079,046.94/47,139.36
  6. Step 6: Final answer
    x = 35,767.97

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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.