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Finding the Fourth Proportional to 75,841.40, 113,762.10 and 52,221.80

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Solution

The fourth proportional to 75,841.40, 113,762.10 and 52,221.80 is: 78,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,841.40 : 113,762.10 = 52,221.80 : x
  2. Step 2: Convert to fraction form
    75,841.40/113,762.10 = 52,221.80/x
  3. Step 3: Cross multiply
    75,841.40x = 113,762.10 × 52,221.80
  4. Step 4: Simplify right side
    75,841.40x = 5,940,861,633.78
  5. Step 5: Solve for x
    x = 5,940,861,633.78/75,841.40
  6. Step 6: Final answer
    x = 78,332.70

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