Home / 115,927.66-159,977.12-68,183.94

Finding the Fourth Proportional to 115,927.66, 159,977.12 and 68,183.94

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Solution

The fourth proportional to 115,927.66, 159,977.12 and 68,183.94 is: 94,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,927.66 : 159,977.12 = 68,183.94 : x
  2. Step 2: Convert to fraction form
    115,927.66/159,977.12 = 68,183.94/x
  3. Step 3: Cross multiply
    115,927.66x = 159,977.12 × 68,183.94
  4. Step 4: Simplify right side
    115,927.66x = 10,907,870,351.45
  5. Step 5: Solve for x
    x = 10,907,870,351.45/115,927.66
  6. Step 6: Final answer
    x = 94,092.04

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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.