Home / 68,917.92-103,391.58-23,940.66

Finding the Fourth Proportional to 68,917.92, 103,391.58 and 23,940.66

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Solution

The fourth proportional to 68,917.92, 103,391.58 and 23,940.66 is: 35,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,917.92 : 103,391.58 = 23,940.66 : x
  2. Step 2: Convert to fraction form
    68,917.92/103,391.58 = 23,940.66/x
  3. Step 3: Cross multiply
    68,917.92x = 103,391.58 × 23,940.66
  4. Step 4: Simplify right side
    68,917.92x = 2,475,263,141.14
  5. Step 5: Solve for x
    x = 2,475,263,141.14/68,917.92
  6. Step 6: Final answer
    x = 35,916.11

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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.