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Finding the Fourth Proportional to 87,971.58, 121,417.02 and 50,245.80

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Solution

The fourth proportional to 87,971.58, 121,417.02 and 50,245.80 is: 69,348.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,971.58 : 121,417.02 = 50,245.80 : x
  2. Step 2: Convert to fraction form
    87,971.58/121,417.02 = 50,245.80/x
  3. Step 3: Cross multiply
    87,971.58x = 121,417.02 × 50,245.80
  4. Step 4: Simplify right side
    87,971.58x = 6,100,695,303.52
  5. Step 5: Solve for x
    x = 6,100,695,303.52/87,971.58
  6. Step 6: Final answer
    x = 69,348.48

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