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Finding the Fourth Proportional to 82,857.36, 114,285.40 and 62,649.48

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Solution

The fourth proportional to 82,857.36, 114,285.40 and 62,649.48 is: 86,412.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,857.36 : 114,285.40 = 62,649.48 : x
  2. Step 2: Convert to fraction form
    82,857.36/114,285.40 = 62,649.48/x
  3. Step 3: Cross multiply
    82,857.36x = 114,285.40 × 62,649.48
  4. Step 4: Simplify right side
    82,857.36x = 7,159,920,881.59
  5. Step 5: Solve for x
    x = 7,159,920,881.59/82,857.36
  6. Step 6: Final answer
    x = 86,412.61

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