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Finding the Fourth Proportional to 66,742.44, 100,162.98 and 53,751.60

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Solution

The fourth proportional to 66,742.44, 100,162.98 and 53,751.60 is: 80,667.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,742.44 : 100,162.98 = 53,751.60 : x
  2. Step 2: Convert to fraction form
    66,742.44/100,162.98 = 53,751.60/x
  3. Step 3: Cross multiply
    66,742.44x = 100,162.98 × 53,751.60
  4. Step 4: Simplify right side
    66,742.44x = 5,383,920,435.77
  5. Step 5: Solve for x
    x = 5,383,920,435.77/66,742.44
  6. Step 6: Final answer
    x = 80,667.12

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