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Finding the Fourth Proportional to 85,273.40, 127,908.90 and 38,526.20

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Solution

The fourth proportional to 85,273.40, 127,908.90 and 38,526.20 is: 57,788.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,273.40 : 127,908.90 = 38,526.20 : x
  2. Step 2: Convert to fraction form
    85,273.40/127,908.90 = 38,526.20/x
  3. Step 3: Cross multiply
    85,273.40x = 127,908.90 × 38,526.20
  4. Step 4: Simplify right side
    85,273.40x = 4,927,843,863.18
  5. Step 5: Solve for x
    x = 4,927,843,863.18/85,273.40
  6. Step 6: Final answer
    x = 57,788.76

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