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Finding the Fourth Proportional to 82,766.40, 124,149.60 and 49,588.80

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Solution

The fourth proportional to 82,766.40, 124,149.60 and 49,588.80 is: 74,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,766.40 : 124,149.60 = 49,588.80 : x
  2. Step 2: Convert to fraction form
    82,766.40/124,149.60 = 49,588.80/x
  3. Step 3: Cross multiply
    82,766.40x = 124,149.60 × 49,588.80
  4. Step 4: Simplify right side
    82,766.40x = 6,156,429,684.48
  5. Step 5: Solve for x
    x = 6,156,429,684.48/82,766.40
  6. Step 6: Final answer
    x = 74,383.20

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