Home / 120,529.12-180,797.09-45,635.30

Finding the Fourth Proportional to 120,529.12, 180,797.09 and 45,635.30

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Solution

The fourth proportional to 120,529.12, 180,797.09 and 45,635.30 is: 68,454.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,529.12 : 180,797.09 = 45,635.30 : x
  2. Step 2: Convert to fraction form
    120,529.12/180,797.09 = 45,635.30/x
  3. Step 3: Cross multiply
    120,529.12x = 180,797.09 × 45,635.30
  4. Step 4: Simplify right side
    120,529.12x = 8,250,729,441.28
  5. Step 5: Solve for x
    x = 8,250,729,441.28/120,529.12
  6. Step 6: Final answer
    x = 68,454.24

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