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Finding the Fourth Proportional to 89,382.89, 134,130.81 and 49,965.86

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Solution

The fourth proportional to 89,382.89, 134,130.81 and 49,965.86 is: 74,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,382.89 : 134,130.81 = 49,965.86 : x
  2. Step 2: Convert to fraction form
    89,382.89/134,130.81 = 49,965.86/x
  3. Step 3: Cross multiply
    89,382.89x = 134,130.81 × 49,965.86
  4. Step 4: Simplify right side
    89,382.89x = 6,701,961,274.15
  5. Step 5: Solve for x
    x = 6,701,961,274.15/89,382.89
  6. Step 6: Final answer
    x = 74,980.36

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