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Finding the Fourth Proportional to 74,943.84, 103,421.25 and 40,951.58

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Solution

The fourth proportional to 74,943.84, 103,421.25 and 40,951.58 is: 56,512.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,943.84 : 103,421.25 = 40,951.58 : x
  2. Step 2: Convert to fraction form
    74,943.84/103,421.25 = 40,951.58/x
  3. Step 3: Cross multiply
    74,943.84x = 103,421.25 × 40,951.58
  4. Step 4: Simplify right side
    74,943.84x = 4,235,263,593.08
  5. Step 5: Solve for x
    x = 4,235,263,593.08/74,943.84
  6. Step 6: Final answer
    x = 56,512.50

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