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Finding the Fourth Proportional to 78,842.77, 108,802.23 and 43,032.46

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Solution

The fourth proportional to 78,842.77, 108,802.23 and 43,032.46 is: 59,384.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,842.77 : 108,802.23 = 43,032.46 : x
  2. Step 2: Convert to fraction form
    78,842.77/108,802.23 = 43,032.46/x
  3. Step 3: Cross multiply
    78,842.77x = 108,802.23 × 43,032.46
  4. Step 4: Simplify right side
    78,842.77x = 4,682,027,610.39
  5. Step 5: Solve for x
    x = 4,682,027,610.39/78,842.77
  6. Step 6: Final answer
    x = 59,384.36

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