Home / 68,260.94-102,321.18-26,131.10

Finding the Fourth Proportional to 68,260.94, 102,321.18 and 26,131.10

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Solution

The fourth proportional to 68,260.94, 102,321.18 and 26,131.10 is: 39,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,260.94 : 102,321.18 = 26,131.10 : x
  2. Step 2: Convert to fraction form
    68,260.94/102,321.18 = 26,131.10/x
  3. Step 3: Cross multiply
    68,260.94x = 102,321.18 × 26,131.10
  4. Step 4: Simplify right side
    68,260.94x = 2,673,764,986.70
  5. Step 5: Solve for x
    x = 2,673,764,986.70/68,260.94
  6. Step 6: Final answer
    x = 39,169.77

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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.