Home / 66,149.82-91,251.75-41,908.02

Finding the Fourth Proportional to 66,149.82, 91,251.75 and 41,908.02

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Solution

The fourth proportional to 66,149.82, 91,251.75 and 41,908.02 is: 57,810.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,149.82 : 91,251.75 = 41,908.02 : x
  2. Step 2: Convert to fraction form
    66,149.82/91,251.75 = 41,908.02/x
  3. Step 3: Cross multiply
    66,149.82x = 91,251.75 × 41,908.02
  4. Step 4: Simplify right side
    66,149.82x = 3,824,180,164.04
  5. Step 5: Solve for x
    x = 3,824,180,164.04/66,149.82
  6. Step 6: Final answer
    x = 57,810.89

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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.