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Finding the Fourth Proportional to 66,530.80, 99,553.20 and 49,034.80

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Solution

The fourth proportional to 66,530.80, 99,553.20 and 49,034.80 is: 73,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,530.80 : 99,553.20 = 49,034.80 : x
  2. Step 2: Convert to fraction form
    66,530.80/99,553.20 = 49,034.80/x
  3. Step 3: Cross multiply
    66,530.80x = 99,553.20 × 49,034.80
  4. Step 4: Simplify right side
    66,530.80x = 4,881,571,251.36
  5. Step 5: Solve for x
    x = 4,881,571,251.36/66,530.80
  6. Step 6: Final answer
    x = 73,373.10

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