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Finding the Fourth Proportional to 73,668.20, 101,663.46 and 40,134.76

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Solution

The fourth proportional to 73,668.20, 101,663.46 and 40,134.76 is: 55,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,668.20 : 101,663.46 = 40,134.76 : x
  2. Step 2: Convert to fraction form
    73,668.20/101,663.46 = 40,134.76/x
  3. Step 3: Cross multiply
    73,668.20x = 101,663.46 × 40,134.76
  4. Step 4: Simplify right side
    73,668.20x = 4,080,238,567.87
  5. Step 5: Solve for x
    x = 4,080,238,567.87/73,668.20
  6. Step 6: Final answer
    x = 55,386.70

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