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Finding the Fourth Proportional to 70,970.53, 106,455.81 and 28,873.52

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Solution

The fourth proportional to 70,970.53, 106,455.81 and 28,873.52 is: 43,310.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,970.53 : 106,455.81 = 28,873.52 : x
  2. Step 2: Convert to fraction form
    70,970.53/106,455.81 = 28,873.52/x
  3. Step 3: Cross multiply
    70,970.53x = 106,455.81 × 28,873.52
  4. Step 4: Simplify right side
    70,970.53x = 3,073,753,959.15
  5. Step 5: Solve for x
    x = 3,073,753,959.15/70,970.53
  6. Step 6: Final answer
    x = 43,310.29

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