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Finding the Fourth Proportional to 85,205.12, 117,645.62 and 55,008.04

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Solution

The fourth proportional to 85,205.12, 117,645.62 and 55,008.04 is: 75,951.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,205.12 : 117,645.62 = 55,008.04 : x
  2. Step 2: Convert to fraction form
    85,205.12/117,645.62 = 55,008.04/x
  3. Step 3: Cross multiply
    85,205.12x = 117,645.62 × 55,008.04
  4. Step 4: Simplify right side
    85,205.12x = 6,471,454,970.78
  5. Step 5: Solve for x
    x = 6,471,454,970.78/85,205.12
  6. Step 6: Final answer
    x = 75,951.48

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