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Finding the Fourth Proportional to 74,683.60, 112,025.40 and 27,930.40

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Solution

The fourth proportional to 74,683.60, 112,025.40 and 27,930.40 is: 41,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,683.60 : 112,025.40 = 27,930.40 : x
  2. Step 2: Convert to fraction form
    74,683.60/112,025.40 = 27,930.40/x
  3. Step 3: Cross multiply
    74,683.60x = 112,025.40 × 27,930.40
  4. Step 4: Simplify right side
    74,683.60x = 3,128,914,232.16
  5. Step 5: Solve for x
    x = 3,128,914,232.16/74,683.60
  6. Step 6: Final answer
    x = 41,895.60

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