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Finding the Fourth Proportional to 79,763.46, 119,781.63 and 53,279.64

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Solution

The fourth proportional to 79,763.46, 119,781.63 and 53,279.64 is: 80,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,763.46 : 119,781.63 = 53,279.64 : x
  2. Step 2: Convert to fraction form
    79,763.46/119,781.63 = 53,279.64/x
  3. Step 3: Cross multiply
    79,763.46x = 119,781.63 × 53,279.64
  4. Step 4: Simplify right side
    79,763.46x = 6,381,922,125.01
  5. Step 5: Solve for x
    x = 6,381,922,125.01/79,763.46
  6. Step 6: Final answer
    x = 80,010.60

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