Home / 89,656.44-123,726.69-49,370.36

Finding the Fourth Proportional to 89,656.44, 123,726.69 and 49,370.36

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Solution

The fourth proportional to 89,656.44, 123,726.69 and 49,370.36 is: 68,131.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,656.44 : 123,726.69 = 49,370.36 : x
  2. Step 2: Convert to fraction form
    89,656.44/123,726.69 = 49,370.36/x
  3. Step 3: Cross multiply
    89,656.44x = 123,726.69 × 49,370.36
  4. Step 4: Simplify right side
    89,656.44x = 6,108,431,226.91
  5. Step 5: Solve for x
    x = 6,108,431,226.91/89,656.44
  6. Step 6: Final answer
    x = 68,131.54

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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.