Home / 69,791.32-96,310.01-39,579.44

Finding the Fourth Proportional to 69,791.32, 96,310.01 and 39,579.44

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Solution

The fourth proportional to 69,791.32, 96,310.01 and 39,579.44 is: 54,618.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,791.32 : 96,310.01 = 39,579.44 : x
  2. Step 2: Convert to fraction form
    69,791.32/96,310.01 = 39,579.44/x
  3. Step 3: Cross multiply
    69,791.32x = 96,310.01 × 39,579.44
  4. Step 4: Simplify right side
    69,791.32x = 3,811,895,879.59
  5. Step 5: Solve for x
    x = 3,811,895,879.59/69,791.32
  6. Step 6: Final answer
    x = 54,618.48

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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.