Home / 89,840.33-123,979-49,553.19

Finding the Fourth Proportional to 89,840.33, 123,979 and 49,553.19

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Solution

The fourth proportional to 89,840.33, 123,979 and 49,553.19 is: 68,383.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,840.33 : 123,979 = 49,553.19 : x
  2. Step 2: Convert to fraction form
    89,840.33/123,979 = 49,553.19/x
  3. Step 3: Cross multiply
    89,840.33x = 123,979 × 49,553.19
  4. Step 4: Simplify right side
    89,840.33x = 6,143,554,943.01
  5. Step 5: Solve for x
    x = 6,143,554,943.01/89,840.33
  6. Step 6: Final answer
    x = 68,383.04

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1.5x scale

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.