Home / 71,546.20-107,319.30-45,280.60

Finding the Fourth Proportional to 71,546.20, 107,319.30 and 45,280.60

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Solution

The fourth proportional to 71,546.20, 107,319.30 and 45,280.60 is: 67,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,546.20 : 107,319.30 = 45,280.60 : x
  2. Step 2: Convert to fraction form
    71,546.20/107,319.30 = 45,280.60/x
  3. Step 3: Cross multiply
    71,546.20x = 107,319.30 × 45,280.60
  4. Step 4: Simplify right side
    71,546.20x = 4,859,482,295.58
  5. Step 5: Solve for x
    x = 4,859,482,295.58/71,546.20
  6. Step 6: Final answer
    x = 67,920.90

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