Home / 81,584.47-122,321.32-41,504.95

Finding the Fourth Proportional to 81,584.47, 122,321.32 and 41,504.95

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Solution

The fourth proportional to 81,584.47, 122,321.32 and 41,504.95 is: 62,229.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,584.47 : 122,321.32 = 41,504.95 : x
  2. Step 2: Convert to fraction form
    81,584.47/122,321.32 = 41,504.95/x
  3. Step 3: Cross multiply
    81,584.47x = 122,321.32 × 41,504.95
  4. Step 4: Simplify right side
    81,584.47x = 5,076,940,270.53
  5. Step 5: Solve for x
    x = 5,076,940,270.53/81,584.47
  6. Step 6: Final answer
    x = 62,229.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.