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Finding the Fourth Proportional to 82,881.55, 124,321.40 and 49,610.90

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Solution

The fourth proportional to 82,881.55, 124,321.40 and 49,610.90 is: 74,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,881.55 : 124,321.40 = 49,610.90 : x
  2. Step 2: Convert to fraction form
    82,881.55/124,321.40 = 49,610.90/x
  3. Step 3: Cross multiply
    82,881.55x = 124,321.40 × 49,610.90
  4. Step 4: Simplify right side
    82,881.55x = 6,167,696,543.26
  5. Step 5: Solve for x
    x = 6,167,696,543.26/82,881.55
  6. Step 6: Final answer
    x = 74,415.80

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