Home / 89,849.09-123,992.09-49,562.27

Finding the Fourth Proportional to 89,849.09, 123,992.09 and 49,562.27

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Solution

The fourth proportional to 89,849.09, 123,992.09 and 49,562.27 is: 68,396.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,849.09 : 123,992.09 = 49,562.27 : x
  2. Step 2: Convert to fraction form
    89,849.09/123,992.09 = 49,562.27/x
  3. Step 3: Cross multiply
    89,849.09x = 123,992.09 × 49,562.27
  4. Step 4: Simplify right side
    89,849.09x = 6,145,329,690.47
  5. Step 5: Solve for x
    x = 6,145,329,690.47/89,849.09
  6. Step 6: Final answer
    x = 68,396.13

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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.