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Finding the Fourth Proportional to 82,222.70, 123,312.64 and 34,813.40

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Solution

The fourth proportional to 82,222.70, 123,312.64 and 34,813.40 is: 52,211.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,222.70 : 123,312.64 = 34,813.40 : x
  2. Step 2: Convert to fraction form
    82,222.70/123,312.64 = 34,813.40/x
  3. Step 3: Cross multiply
    82,222.70x = 123,312.64 × 34,813.40
  4. Step 4: Simplify right side
    82,222.70x = 4,292,932,261.38
  5. Step 5: Solve for x
    x = 4,292,932,261.38/82,222.70
  6. Step 6: Final answer
    x = 52,211.03

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