Home / 68,724.04-103,107.93-33,644.56

Finding the Fourth Proportional to 68,724.04, 103,107.93 and 33,644.56

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Solution

The fourth proportional to 68,724.04, 103,107.93 and 33,644.56 is: 50,477.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,724.04 : 103,107.93 = 33,644.56 : x
  2. Step 2: Convert to fraction form
    68,724.04/103,107.93 = 33,644.56/x
  3. Step 3: Cross multiply
    68,724.04x = 103,107.93 × 33,644.56
  4. Step 4: Simplify right side
    68,724.04x = 3,469,020,937.36
  5. Step 5: Solve for x
    x = 3,469,020,937.36/68,724.04
  6. Step 6: Final answer
    x = 50,477.55

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1.5x scale

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.