Home / 68,660.28-103,029.38-37,069.92

Finding the Fourth Proportional to 68,660.28, 103,029.38 and 37,069.92

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Solution

The fourth proportional to 68,660.28, 103,029.38 and 37,069.92 is: 55,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,660.28 : 103,029.38 = 37,069.92 : x
  2. Step 2: Convert to fraction form
    68,660.28/103,029.38 = 37,069.92/x
  3. Step 3: Cross multiply
    68,660.28x = 103,029.38 × 37,069.92
  4. Step 4: Simplify right side
    68,660.28x = 3,819,290,874.25
  5. Step 5: Solve for x
    x = 3,819,290,874.25/68,660.28
  6. Step 6: Final answer
    x = 55,625.91

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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.