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Finding the Fourth Proportional to 81,073.32, 111,881.52 and 45,261.24

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Solution

The fourth proportional to 81,073.32, 111,881.52 and 45,261.24 is: 62,460.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,073.32 : 111,881.52 = 45,261.24 : x
  2. Step 2: Convert to fraction form
    81,073.32/111,881.52 = 45,261.24/x
  3. Step 3: Cross multiply
    81,073.32x = 111,881.52 × 45,261.24
  4. Step 4: Simplify right side
    81,073.32x = 5,063,896,328.28
  5. Step 5: Solve for x
    x = 5,063,896,328.28/81,073.32
  6. Step 6: Final answer
    x = 62,460.70

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