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Finding the Fourth Proportional to 74,690.60, 112,079.10 and 27,948.20

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Solution

The fourth proportional to 74,690.60, 112,079.10 and 27,948.20 is: 41,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,690.60 : 112,079.10 = 27,948.20 : x
  2. Step 2: Convert to fraction form
    74,690.60/112,079.10 = 27,948.20/x
  3. Step 3: Cross multiply
    74,690.60x = 112,079.10 × 27,948.20
  4. Step 4: Simplify right side
    74,690.60x = 3,132,409,102.62
  5. Step 5: Solve for x
    x = 3,132,409,102.62/74,690.60
  6. Step 6: Final answer
    x = 41,938.46

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