Home / 66,619.43-91,930.89-36,404.97

Finding the Fourth Proportional to 66,619.43, 91,930.89 and 36,404.97

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Solution

The fourth proportional to 66,619.43, 91,930.89 and 36,404.97 is: 50,236.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,619.43 : 91,930.89 = 36,404.97 : x
  2. Step 2: Convert to fraction form
    66,619.43/91,930.89 = 36,404.97/x
  3. Step 3: Cross multiply
    66,619.43x = 91,930.89 × 36,404.97
  4. Step 4: Simplify right side
    66,619.43x = 3,346,741,292.52
  5. Step 5: Solve for x
    x = 3,346,741,292.52/66,619.43
  6. Step 6: Final answer
    x = 50,236.72

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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.