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Finding the Fourth Proportional to 92,812.16, 128,080.84 and 50,370.68

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Solution

The fourth proportional to 92,812.16, 128,080.84 and 50,370.68 is: 69,511.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,812.16 : 128,080.84 = 50,370.68 : x
  2. Step 2: Convert to fraction form
    92,812.16/128,080.84 = 50,370.68/x
  3. Step 3: Cross multiply
    92,812.16x = 128,080.84 × 50,370.68
  4. Step 4: Simplify right side
    92,812.16x = 6,451,519,005.77
  5. Step 5: Solve for x
    x = 6,451,519,005.77/92,812.16
  6. Step 6: Final answer
    x = 69,511.57

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