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Finding the Fourth Proportional to 88,028.83, 121,479.43 and 47,742.43

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Solution

The fourth proportional to 88,028.83, 121,479.43 and 47,742.43 is: 65,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,028.83 : 121,479.43 = 47,742.43 : x
  2. Step 2: Convert to fraction form
    88,028.83/121,479.43 = 47,742.43/x
  3. Step 3: Cross multiply
    88,028.83x = 121,479.43 × 47,742.43
  4. Step 4: Simplify right side
    88,028.83x = 5,799,723,183.21
  5. Step 5: Solve for x
    x = 5,799,723,183.21/88,028.83
  6. Step 6: Final answer
    x = 65,884.36

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