Home / 47,878.21-71,786.47-22,917.66

Finding the Fourth Proportional to 47,878.21, 71,786.47 and 22,917.66

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Solution

The fourth proportional to 47,878.21, 71,786.47 and 22,917.66 is: 34,361.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,878.21 : 71,786.47 = 22,917.66 : x
  2. Step 2: Convert to fraction form
    47,878.21/71,786.47 = 22,917.66/x
  3. Step 3: Cross multiply
    47,878.21x = 71,786.47 × 22,917.66
  4. Step 4: Simplify right side
    47,878.21x = 1,645,177,912.06
  5. Step 5: Solve for x
    x = 1,645,177,912.06/47,878.21
  6. Step 6: Final answer
    x = 34,361.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.