Home / 89,844.74-123,992.70-49,562.02

Finding the Fourth Proportional to 89,844.74, 123,992.70 and 49,562.02

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Solution

The fourth proportional to 89,844.74, 123,992.70 and 49,562.02 is: 68,399.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,844.74 : 123,992.70 = 49,562.02 : x
  2. Step 2: Convert to fraction form
    89,844.74/123,992.70 = 49,562.02/x
  3. Step 3: Cross multiply
    89,844.74x = 123,992.70 × 49,562.02
  4. Step 4: Simplify right side
    89,844.74x = 6,145,328,367.27
  5. Step 5: Solve for x
    x = 6,145,328,367.27/89,844.74
  6. Step 6: Final answer
    x = 68,399.43

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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.