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Finding the Fourth Proportional to 85,071.43, 127,466.72 and 49,432.70

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Solution

The fourth proportional to 85,071.43, 127,466.72 and 49,432.70 is: 74,067.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,071.43 : 127,466.72 = 49,432.70 : x
  2. Step 2: Convert to fraction form
    85,071.43/127,466.72 = 49,432.70/x
  3. Step 3: Cross multiply
    85,071.43x = 127,466.72 × 49,432.70
  4. Step 4: Simplify right side
    85,071.43x = 6,301,024,664.68
  5. Step 5: Solve for x
    x = 6,301,024,664.68/85,071.43
  6. Step 6: Final answer
    x = 74,067.46

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