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Finding the Fourth Proportional to 88,043.40, 132,065.10 and 40,658.40

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Solution

The fourth proportional to 88,043.40, 132,065.10 and 40,658.40 is: 60,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,043.40 : 132,065.10 = 40,658.40 : x
  2. Step 2: Convert to fraction form
    88,043.40/132,065.10 = 40,658.40/x
  3. Step 3: Cross multiply
    88,043.40x = 132,065.10 × 40,658.40
  4. Step 4: Simplify right side
    88,043.40x = 5,369,555,661.84
  5. Step 5: Solve for x
    x = 5,369,555,661.84/88,043.40
  6. Step 6: Final answer
    x = 60,987.60

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