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Finding the Fourth Proportional to 83,661.30, 115,449.44 and 51,829.52

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Solution

The fourth proportional to 83,661.30, 115,449.44 and 51,829.52 is: 71,522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,661.30 : 115,449.44 = 51,829.52 : x
  2. Step 2: Convert to fraction form
    83,661.30/115,449.44 = 51,829.52/x
  3. Step 3: Cross multiply
    83,661.30x = 115,449.44 × 51,829.52
  4. Step 4: Simplify right side
    83,661.30x = 5,983,688,223.07
  5. Step 5: Solve for x
    x = 5,983,688,223.07/83,661.30
  6. Step 6: Final answer
    x = 71,522.77

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