Home / 69,411.12-104,103.54-33,836.70

Finding the Fourth Proportional to 69,411.12, 104,103.54 and 33,836.70

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Solution

The fourth proportional to 69,411.12, 104,103.54 and 33,836.70 is: 50,748.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,411.12 : 104,103.54 = 33,836.70 : x
  2. Step 2: Convert to fraction form
    69,411.12/104,103.54 = 33,836.70/x
  3. Step 3: Cross multiply
    69,411.12x = 104,103.54 × 33,836.70
  4. Step 4: Simplify right side
    69,411.12x = 3,522,520,251.92
  5. Step 5: Solve for x
    x = 3,522,520,251.92/69,411.12
  6. Step 6: Final answer
    x = 50,748.64

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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.