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Finding the Fourth Proportional to 83,984.24, 115,900.90 and 45,744.94

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Solution

The fourth proportional to 83,984.24, 115,900.90 and 45,744.94 is: 63,129.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,984.24 : 115,900.90 = 45,744.94 : x
  2. Step 2: Convert to fraction form
    83,984.24/115,900.90 = 45,744.94/x
  3. Step 3: Cross multiply
    83,984.24x = 115,900.90 × 45,744.94
  4. Step 4: Simplify right side
    83,984.24x = 5,301,879,352.33
  5. Step 5: Solve for x
    x = 5,301,879,352.33/83,984.24
  6. Step 6: Final answer
    x = 63,129.46

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