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Finding the Fourth Proportional to 81,437.44, 112,390.56 and 45,626.92

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Solution

The fourth proportional to 81,437.44, 112,390.56 and 45,626.92 is: 62,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,437.44 : 112,390.56 = 45,626.92 : x
  2. Step 2: Convert to fraction form
    81,437.44/112,390.56 = 45,626.92/x
  3. Step 3: Cross multiply
    81,437.44x = 112,390.56 × 45,626.92
  4. Step 4: Simplify right side
    81,437.44x = 5,128,035,089.88
  5. Step 5: Solve for x
    x = 5,128,035,089.88/81,437.44
  6. Step 6: Final answer
    x = 62,969.01

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