Home / 78,883.20-108,797.28-50,591.04

Finding the Fourth Proportional to 78,883.20, 108,797.28 and 50,591.04

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Solution

The fourth proportional to 78,883.20, 108,797.28 and 50,591.04 is: 69,776.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,883.20 : 108,797.28 = 50,591.04 : x
  2. Step 2: Convert to fraction form
    78,883.20/108,797.28 = 50,591.04/x
  3. Step 3: Cross multiply
    78,883.20x = 108,797.28 × 50,591.04
  4. Step 4: Simplify right side
    78,883.20x = 5,504,167,544.37
  5. Step 5: Solve for x
    x = 5,504,167,544.37/78,883.20
  6. Step 6: Final answer
    x = 69,776.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.