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Finding the Fourth Proportional to 92,785.01, 128,039.88 and 50,342.63

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Solution

The fourth proportional to 92,785.01, 128,039.88 and 50,342.63 is: 69,470.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,785.01 : 128,039.88 = 50,342.63 : x
  2. Step 2: Convert to fraction form
    92,785.01/128,039.88 = 50,342.63/x
  3. Step 3: Cross multiply
    92,785.01x = 128,039.88 × 50,342.63
  4. Step 4: Simplify right side
    92,785.01x = 6,445,864,304.08
  5. Step 5: Solve for x
    x = 6,445,864,304.08/92,785.01
  6. Step 6: Final answer
    x = 69,470.97

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