Home / 85,472.37-117,927.85-49,171.92

Finding the Fourth Proportional to 85,472.37, 117,927.85 and 49,171.92

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Solution

The fourth proportional to 85,472.37, 117,927.85 and 49,171.92 is: 67,843.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,472.37 : 117,927.85 = 49,171.92 : x
  2. Step 2: Convert to fraction form
    85,472.37/117,927.85 = 49,171.92/x
  3. Step 3: Cross multiply
    85,472.37x = 117,927.85 × 49,171.92
  4. Step 4: Simplify right side
    85,472.37x = 5,798,738,805.97
  5. Step 5: Solve for x
    x = 5,798,738,805.97/85,472.37
  6. Step 6: Final answer
    x = 67,843.43

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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.