Home / 57,195.45-78,918.10-37,049.54

Finding the Fourth Proportional to 57,195.45, 78,918.10 and 37,049.54

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Solution

The fourth proportional to 57,195.45, 78,918.10 and 37,049.54 is: 51,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,195.45 : 78,918.10 = 37,049.54 : x
  2. Step 2: Convert to fraction form
    57,195.45/78,918.10 = 37,049.54/x
  3. Step 3: Cross multiply
    57,195.45x = 78,918.10 × 37,049.54
  4. Step 4: Simplify right side
    57,195.45x = 2,923,878,815.46
  5. Step 5: Solve for x
    x = 2,923,878,815.46/57,195.45
  6. Step 6: Final answer
    x = 51,120.83

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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.