Home / 66,834.54-92,231.62-39,983.36

Finding the Fourth Proportional to 66,834.54, 92,231.62 and 39,983.36

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Solution

The fourth proportional to 66,834.54, 92,231.62 and 39,983.36 is: 55,177.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,834.54 : 92,231.62 = 39,983.36 : x
  2. Step 2: Convert to fraction form
    66,834.54/92,231.62 = 39,983.36/x
  3. Step 3: Cross multiply
    66,834.54x = 92,231.62 × 39,983.36
  4. Step 4: Simplify right side
    66,834.54x = 3,687,729,504.73
  5. Step 5: Solve for x
    x = 3,687,729,504.73/66,834.54
  6. Step 6: Final answer
    x = 55,177.00

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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.