Home / 68,585.28-102,807.52-33,481.76

Finding the Fourth Proportional to 68,585.28, 102,807.52 and 33,481.76

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Solution

The fourth proportional to 68,585.28, 102,807.52 and 33,481.76 is: 50,188.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,585.28 : 102,807.52 = 33,481.76 : x
  2. Step 2: Convert to fraction form
    68,585.28/102,807.52 = 33,481.76/x
  3. Step 3: Cross multiply
    68,585.28x = 102,807.52 × 33,481.76
  4. Step 4: Simplify right side
    68,585.28x = 3,442,176,710.84
  5. Step 5: Solve for x
    x = 3,442,176,710.84/68,585.28
  6. Step 6: Final answer
    x = 50,188.27

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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.