Home / 71,974.77-99,344.94-41,769.81

Finding the Fourth Proportional to 71,974.77, 99,344.94 and 41,769.81

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Solution

The fourth proportional to 71,974.77, 99,344.94 and 41,769.81 is: 57,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,974.77 : 99,344.94 = 41,769.81 : x
  2. Step 2: Convert to fraction form
    71,974.77/99,344.94 = 41,769.81/x
  3. Step 3: Cross multiply
    71,974.77x = 99,344.94 × 41,769.81
  4. Step 4: Simplify right side
    71,974.77x = 4,149,619,268.26
  5. Step 5: Solve for x
    x = 4,149,619,268.26/71,974.77
  6. Step 6: Final answer
    x = 57,653.80

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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.