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Finding the Fourth Proportional to 82,667.40, 124,001.10 and 49,489.80

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Solution

The fourth proportional to 82,667.40, 124,001.10 and 49,489.80 is: 74,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,667.40 : 124,001.10 = 49,489.80 : x
  2. Step 2: Convert to fraction form
    82,667.40/124,001.10 = 49,489.80/x
  3. Step 3: Cross multiply
    82,667.40x = 124,001.10 × 49,489.80
  4. Step 4: Simplify right side
    82,667.40x = 6,136,789,638.78
  5. Step 5: Solve for x
    x = 6,136,789,638.78/82,667.40
  6. Step 6: Final answer
    x = 74,234.70

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