Home / 71,933.44-99,268.60-40,104.36

Finding the Fourth Proportional to 71,933.44, 99,268.60 and 40,104.36

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Solution

The fourth proportional to 71,933.44, 99,268.60 and 40,104.36 is: 55,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,933.44 : 99,268.60 = 40,104.36 : x
  2. Step 2: Convert to fraction form
    71,933.44/99,268.60 = 40,104.36/x
  3. Step 3: Cross multiply
    71,933.44x = 99,268.60 × 40,104.36
  4. Step 4: Simplify right side
    71,933.44x = 3,981,103,671.10
  5. Step 5: Solve for x
    x = 3,981,103,671.10/71,933.44
  6. Step 6: Final answer
    x = 55,344.27

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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.