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Finding the Fourth Proportional to 68,077.80, 102,116.70 and 49,269.60

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Solution

The fourth proportional to 68,077.80, 102,116.70 and 49,269.60 is: 73,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,077.80 : 102,116.70 = 49,269.60 : x
  2. Step 2: Convert to fraction form
    68,077.80/102,116.70 = 49,269.60/x
  3. Step 3: Cross multiply
    68,077.80x = 102,116.70 × 49,269.60
  4. Step 4: Simplify right side
    68,077.80x = 5,031,248,962.32
  5. Step 5: Solve for x
    x = 5,031,248,962.32/68,077.80
  6. Step 6: Final answer
    x = 73,904.40

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