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Finding the Fourth Proportional to 82,609.18, 123,969.13 and 53,047.77

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Solution

The fourth proportional to 82,609.18, 123,969.13 and 53,047.77 is: 79,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,609.18 : 123,969.13 = 53,047.77 : x
  2. Step 2: Convert to fraction form
    82,609.18/123,969.13 = 53,047.77/x
  3. Step 3: Cross multiply
    82,609.18x = 123,969.13 × 53,047.77
  4. Step 4: Simplify right side
    82,609.18x = 6,576,285,895.34
  5. Step 5: Solve for x
    x = 6,576,285,895.34/82,609.18
  6. Step 6: Final answer
    x = 79,607.20

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