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Finding the Fourth Proportional to 67,735.60, 93,485.78 and 40,881.92

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Solution

The fourth proportional to 67,735.60, 93,485.78 and 40,881.92 is: 56,423.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,735.60 : 93,485.78 = 40,881.92 : x
  2. Step 2: Convert to fraction form
    67,735.60/93,485.78 = 40,881.92/x
  3. Step 3: Cross multiply
    67,735.60x = 93,485.78 × 40,881.92
  4. Step 4: Simplify right side
    67,735.60x = 3,821,878,179.10
  5. Step 5: Solve for x
    x = 3,821,878,179.10/67,735.60
  6. Step 6: Final answer
    x = 56,423.48

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