Home / 78,974.94-118,481.13-23,569.50

Finding the Fourth Proportional to 78,974.94, 118,481.13 and 23,569.50

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Solution

The fourth proportional to 78,974.94, 118,481.13 and 23,569.50 is: 35,359.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,974.94 : 118,481.13 = 23,569.50 : x
  2. Step 2: Convert to fraction form
    78,974.94/118,481.13 = 23,569.50/x
  3. Step 3: Cross multiply
    78,974.94x = 118,481.13 × 23,569.50
  4. Step 4: Simplify right side
    78,974.94x = 2,792,540,993.54
  5. Step 5: Solve for x
    x = 2,792,540,993.54/78,974.94
  6. Step 6: Final answer
    x = 35,359.84

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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.