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Finding the Fourth Proportional to 88,363.12, 121,939.86 and 48,076.40

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Solution

The fourth proportional to 88,363.12, 121,939.86 and 48,076.40 is: 66,344.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,363.12 : 121,939.86 = 48,076.40 : x
  2. Step 2: Convert to fraction form
    88,363.12/121,939.86 = 48,076.40/x
  3. Step 3: Cross multiply
    88,363.12x = 121,939.86 × 48,076.40
  4. Step 4: Simplify right side
    88,363.12x = 5,862,429,485.30
  5. Step 5: Solve for x
    x = 5,862,429,485.30/88,363.12
  6. Step 6: Final answer
    x = 66,344.75

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