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Finding the Fourth Proportional to 82,803.40, 124,205.10 and 43,372.60

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Solution

The fourth proportional to 82,803.40, 124,205.10 and 43,372.60 is: 65,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,803.40 : 124,205.10 = 43,372.60 : x
  2. Step 2: Convert to fraction form
    82,803.40/124,205.10 = 43,372.60/x
  3. Step 3: Cross multiply
    82,803.40x = 124,205.10 × 43,372.60
  4. Step 4: Simplify right side
    82,803.40x = 5,387,098,120.26
  5. Step 5: Solve for x
    x = 5,387,098,120.26/82,803.40
  6. Step 6: Final answer
    x = 65,058.90

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