Home / 69,618.33-96,067.89-40,939.11

Finding the Fourth Proportional to 69,618.33, 96,067.89 and 40,939.11

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Solution

The fourth proportional to 69,618.33, 96,067.89 and 40,939.11 is: 56,492.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,618.33 : 96,067.89 = 40,939.11 : x
  2. Step 2: Convert to fraction form
    69,618.33/96,067.89 = 40,939.11/x
  3. Step 3: Cross multiply
    69,618.33x = 96,067.89 × 40,939.11
  4. Step 4: Simplify right side
    69,618.33x = 3,932,933,916.18
  5. Step 5: Solve for x
    x = 3,932,933,916.18/69,618.33
  6. Step 6: Final answer
    x = 56,492.79

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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.