Home / 85,351.18-117,805.71-51,845.26

Finding the Fourth Proportional to 85,351.18, 117,805.71 and 51,845.26

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Solution

The fourth proportional to 85,351.18, 117,805.71 and 51,845.26 is: 71,559.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,351.18 : 117,805.71 = 51,845.26 : x
  2. Step 2: Convert to fraction form
    85,351.18/117,805.71 = 51,845.26/x
  3. Step 3: Cross multiply
    85,351.18x = 117,805.71 × 51,845.26
  4. Step 4: Simplify right side
    85,351.18x = 6,107,667,664.43
  5. Step 5: Solve for x
    x = 6,107,667,664.43/85,351.18
  6. Step 6: Final answer
    x = 71,559.26

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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.