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Finding the Fourth Proportional to 64,612.20, 96,803.10 and 52,861.80

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Solution

The fourth proportional to 64,612.20, 96,803.10 and 52,861.80 is: 79,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,612.20 : 96,803.10 = 52,861.80 : x
  2. Step 2: Convert to fraction form
    64,612.20/96,803.10 = 52,861.80/x
  3. Step 3: Cross multiply
    64,612.20x = 96,803.10 × 52,861.80
  4. Step 4: Simplify right side
    64,612.20x = 5,117,186,111.58
  5. Step 5: Solve for x
    x = 5,117,186,111.58/64,612.20
  6. Step 6: Final answer
    x = 79,198.45

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