Home / 57,149.75-78,848.43-37,022.06

Finding the Fourth Proportional to 57,149.75, 78,848.43 and 37,022.06

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Solution

The fourth proportional to 57,149.75, 78,848.43 and 37,022.06 is: 51,078.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,149.75 : 78,848.43 = 37,022.06 : x
  2. Step 2: Convert to fraction form
    57,149.75/78,848.43 = 37,022.06/x
  3. Step 3: Cross multiply
    57,149.75x = 78,848.43 × 37,022.06
  4. Step 4: Simplify right side
    57,149.75x = 2,919,131,306.37
  5. Step 5: Solve for x
    x = 2,919,131,306.37/57,149.75
  6. Step 6: Final answer
    x = 51,078.64

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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.