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Finding the Fourth Proportional to 64,879.83, 89,534.30 and 35,071.83

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Solution

The fourth proportional to 64,879.83, 89,534.30 and 35,071.83 is: 48,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,879.83 : 89,534.30 = 35,071.83 : x
  2. Step 2: Convert to fraction form
    64,879.83/89,534.30 = 35,071.83/x
  3. Step 3: Cross multiply
    64,879.83x = 89,534.30 × 35,071.83
  4. Step 4: Simplify right side
    64,879.83x = 3,140,131,573.41
  5. Step 5: Solve for x
    x = 3,140,131,573.41/64,879.83
  6. Step 6: Final answer
    x = 48,399.20

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