Home / 91,942.46-137,921.62-25,382.60

Finding the Fourth Proportional to 91,942.46, 137,921.62 and 25,382.60

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Solution

The fourth proportional to 91,942.46, 137,921.62 and 25,382.60 is: 38,076.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,942.46 : 137,921.62 = 25,382.60 : x
  2. Step 2: Convert to fraction form
    91,942.46/137,921.62 = 25,382.60/x
  3. Step 3: Cross multiply
    91,942.46x = 137,921.62 × 25,382.60
  4. Step 4: Simplify right side
    91,942.46x = 3,500,809,311.81
  5. Step 5: Solve for x
    x = 3,500,809,311.81/91,942.46
  6. Step 6: Final answer
    x = 38,076.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.