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Finding the Fourth Proportional to 83,100.74, 124,650.90 and 30,510.27

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Solution

The fourth proportional to 83,100.74, 124,650.90 and 30,510.27 is: 45,765.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,100.74 : 124,650.90 = 30,510.27 : x
  2. Step 2: Convert to fraction form
    83,100.74/124,650.90 = 30,510.27/x
  3. Step 3: Cross multiply
    83,100.74x = 124,650.90 × 30,510.27
  4. Step 4: Simplify right side
    83,100.74x = 3,803,132,614.74
  5. Step 5: Solve for x
    x = 3,803,132,614.74/83,100.74
  6. Step 6: Final answer
    x = 45,765.33

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