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Finding the Fourth Proportional to 88,629.40, 132,944.10 and 65,009.80

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Solution

The fourth proportional to 88,629.40, 132,944.10 and 65,009.80 is: 97,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,629.40 : 132,944.10 = 65,009.80 : x
  2. Step 2: Convert to fraction form
    88,629.40/132,944.10 = 65,009.80/x
  3. Step 3: Cross multiply
    88,629.40x = 132,944.10 × 65,009.80
  4. Step 4: Simplify right side
    88,629.40x = 8,642,669,352.18
  5. Step 5: Solve for x
    x = 8,642,669,352.18/88,629.40
  6. Step 6: Final answer
    x = 97,514.70

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