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Finding the Fourth Proportional to 74,740.53, 103,083.60 and 47,885.55

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Solution

The fourth proportional to 74,740.53, 103,083.60 and 47,885.55 is: 66,044.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,740.53 : 103,083.60 = 47,885.55 : x
  2. Step 2: Convert to fraction form
    74,740.53/103,083.60 = 47,885.55/x
  3. Step 3: Cross multiply
    74,740.53x = 103,083.60 × 47,885.55
  4. Step 4: Simplify right side
    74,740.53x = 4,936,214,881.98
  5. Step 5: Solve for x
    x = 4,936,214,881.98/74,740.53
  6. Step 6: Final answer
    x = 66,044.69

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