Home / 89,754.08-123,855.57-49,467.71

Finding the Fourth Proportional to 89,754.08, 123,855.57 and 49,467.71

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Solution

The fourth proportional to 89,754.08, 123,855.57 and 49,467.71 is: 68,262.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,754.08 : 123,855.57 = 49,467.71 : x
  2. Step 2: Convert to fraction form
    89,754.08/123,855.57 = 49,467.71/x
  3. Step 3: Cross multiply
    89,754.08x = 123,855.57 × 49,467.71
  4. Step 4: Simplify right side
    89,754.08x = 6,126,850,799.37
  5. Step 5: Solve for x
    x = 6,126,850,799.37/89,754.08
  6. Step 6: Final answer
    x = 68,262.65

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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.