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Finding the Fourth Proportional to 62,809.73, 86,672.94 and 35,951.85

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Solution

The fourth proportional to 62,809.73, 86,672.94 and 35,951.85 is: 49,610.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,809.73 : 86,672.94 = 35,951.85 : x
  2. Step 2: Convert to fraction form
    62,809.73/86,672.94 = 35,951.85/x
  3. Step 3: Cross multiply
    62,809.73x = 86,672.94 × 35,951.85
  4. Step 4: Simplify right side
    62,809.73x = 3,116,052,403.12
  5. Step 5: Solve for x
    x = 3,116,052,403.12/62,809.73
  6. Step 6: Final answer
    x = 49,610.98

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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.