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Finding the Fourth Proportional to 68,425.44, 102,673.64 and 51,780.48

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Solution

The fourth proportional to 68,425.44, 102,673.64 and 51,780.48 is: 77,697.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,425.44 : 102,673.64 = 51,780.48 : x
  2. Step 2: Convert to fraction form
    68,425.44/102,673.64 = 51,780.48/x
  3. Step 3: Cross multiply
    68,425.44x = 102,673.64 × 51,780.48
  4. Step 4: Simplify right side
    68,425.44x = 5,316,490,362.55
  5. Step 5: Solve for x
    x = 5,316,490,362.55/68,425.44
  6. Step 6: Final answer
    x = 77,697.57

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