Home / 69,414.09-95,781.11-39,198.81

Finding the Fourth Proportional to 69,414.09, 95,781.11 and 39,198.81

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Solution

The fourth proportional to 69,414.09, 95,781.11 and 39,198.81 is: 54,088.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,414.09 : 95,781.11 = 39,198.81 : x
  2. Step 2: Convert to fraction form
    69,414.09/95,781.11 = 39,198.81/x
  3. Step 3: Cross multiply
    69,414.09x = 95,781.11 × 39,198.81
  4. Step 4: Simplify right side
    69,414.09x = 3,754,505,536.53
  5. Step 5: Solve for x
    x = 3,754,505,536.53/69,414.09
  6. Step 6: Final answer
    x = 54,088.52

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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.