Home / 89,844.36-123,992.18-49,561.64

Finding the Fourth Proportional to 89,844.36, 123,992.18 and 49,561.64

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Solution

The fourth proportional to 89,844.36, 123,992.18 and 49,561.64 is: 68,398.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,844.36 : 123,992.18 = 49,561.64 : x
  2. Step 2: Convert to fraction form
    89,844.36/123,992.18 = 49,561.64/x
  3. Step 3: Cross multiply
    89,844.36x = 123,992.18 × 49,561.64
  4. Step 4: Simplify right side
    89,844.36x = 6,145,256,036.00
  5. Step 5: Solve for x
    x = 6,145,256,036.00/89,844.36
  6. Step 6: Final answer
    x = 68,398.91

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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.