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Finding the Fourth Proportional to 52,725.70, 78,896.55 and 38,901.70

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Solution

The fourth proportional to 52,725.70, 78,896.55 and 38,901.70 is: 58,210.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,725.70 : 78,896.55 = 38,901.70 : x
  2. Step 2: Convert to fraction form
    52,725.70/78,896.55 = 38,901.70/x
  3. Step 3: Cross multiply
    52,725.70x = 78,896.55 × 38,901.70
  4. Step 4: Simplify right side
    52,725.70x = 3,069,209,919.14
  5. Step 5: Solve for x
    x = 3,069,209,919.14/52,725.70
  6. Step 6: Final answer
    x = 58,210.89

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