Home / 57,195.62-78,927.92-31,704.36

Finding the Fourth Proportional to 57,195.62, 78,927.92 and 31,704.36

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Solution

The fourth proportional to 57,195.62, 78,927.92 and 31,704.36 is: 43,750.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,195.62 : 78,927.92 = 31,704.36 : x
  2. Step 2: Convert to fraction form
    57,195.62/78,927.92 = 31,704.36/x
  3. Step 3: Cross multiply
    57,195.62x = 78,927.92 × 31,704.36
  4. Step 4: Simplify right side
    57,195.62x = 2,502,359,189.73
  5. Step 5: Solve for x
    x = 2,502,359,189.73/57,195.62
  6. Step 6: Final answer
    x = 43,750.89

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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.