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Finding the Fourth Proportional to 84,965.76, 127,244.52 and 47,433.60

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Solution

The fourth proportional to 84,965.76, 127,244.52 and 47,433.60 is: 71,036.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,965.76 : 127,244.52 = 47,433.60 : x
  2. Step 2: Convert to fraction form
    84,965.76/127,244.52 = 47,433.60/x
  3. Step 3: Cross multiply
    84,965.76x = 127,244.52 × 47,433.60
  4. Step 4: Simplify right side
    84,965.76x = 6,035,665,663.87
  5. Step 5: Solve for x
    x = 6,035,665,663.87/84,965.76
  6. Step 6: Final answer
    x = 71,036.45

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