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Finding the Fourth Proportional to 73,277.60, 109,916.40 and 47,908.40

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Solution

The fourth proportional to 73,277.60, 109,916.40 and 47,908.40 is: 71,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,277.60 : 109,916.40 = 47,908.40 : x
  2. Step 2: Convert to fraction form
    73,277.60/109,916.40 = 47,908.40/x
  3. Step 3: Cross multiply
    73,277.60x = 109,916.40 × 47,908.40
  4. Step 4: Simplify right side
    73,277.60x = 5,265,918,857.76
  5. Step 5: Solve for x
    x = 5,265,918,857.76/73,277.60
  6. Step 6: Final answer
    x = 71,862.60

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