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Finding the Fourth Proportional to 84,842.30, 127,299.90 and 43,289.30

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Solution

The fourth proportional to 84,842.30, 127,299.90 and 43,289.30 is: 64,952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,842.30 : 127,299.90 = 43,289.30 : x
  2. Step 2: Convert to fraction form
    84,842.30/127,299.90 = 43,289.30/x
  3. Step 3: Cross multiply
    84,842.30x = 127,299.90 × 43,289.30
  4. Step 4: Simplify right side
    84,842.30x = 5,510,723,561.07
  5. Step 5: Solve for x
    x = 5,510,723,561.07/84,842.30
  6. Step 6: Final answer
    x = 64,952.55

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