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Finding the Fourth Proportional to 83,043.65, 124,562.43 and 45,621.24

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Solution

The fourth proportional to 83,043.65, 124,562.43 and 45,621.24 is: 68,430.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,043.65 : 124,562.43 = 45,621.24 : x
  2. Step 2: Convert to fraction form
    83,043.65/124,562.43 = 45,621.24/x
  3. Step 3: Cross multiply
    83,043.65x = 124,562.43 × 45,621.24
  4. Step 4: Simplify right side
    83,043.65x = 5,682,692,514.01
  5. Step 5: Solve for x
    x = 5,682,692,514.01/83,043.65
  6. Step 6: Final answer
    x = 68,430.19

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