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Finding the Fourth Proportional to 67,286.70, 100,881.45 and 37,713.60

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Solution

The fourth proportional to 67,286.70, 100,881.45 and 37,713.60 is: 56,543.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,286.70 : 100,881.45 = 37,713.60 : x
  2. Step 2: Convert to fraction form
    67,286.70/100,881.45 = 37,713.60/x
  3. Step 3: Cross multiply
    67,286.70x = 100,881.45 × 37,713.60
  4. Step 4: Simplify right side
    67,286.70x = 3,804,602,652.72
  5. Step 5: Solve for x
    x = 3,804,602,652.72/67,286.70
  6. Step 6: Final answer
    x = 56,543.16

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