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Finding the Fourth Proportional to 80,948.70, 121,386.60 and 36,552.60

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Solution

The fourth proportional to 80,948.70, 121,386.60 and 36,552.60 is: 54,812.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,948.70 : 121,386.60 = 36,552.60 : x
  2. Step 2: Convert to fraction form
    80,948.70/121,386.60 = 36,552.60/x
  3. Step 3: Cross multiply
    80,948.70x = 121,386.60 × 36,552.60
  4. Step 4: Simplify right side
    80,948.70x = 4,436,995,835.16
  5. Step 5: Solve for x
    x = 4,436,995,835.16/80,948.70
  6. Step 6: Final answer
    x = 54,812.44

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