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Finding the Fourth Proportional to 78,941.52, 108,936.04 and 43,132.76

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Solution

The fourth proportional to 78,941.52, 108,936.04 and 43,132.76 is: 59,521.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,941.52 : 108,936.04 = 43,132.76 : x
  2. Step 2: Convert to fraction form
    78,941.52/108,936.04 = 43,132.76/x
  3. Step 3: Cross multiply
    78,941.52x = 108,936.04 × 43,132.76
  4. Step 4: Simplify right side
    78,941.52x = 4,698,712,068.67
  5. Step 5: Solve for x
    x = 4,698,712,068.67/78,941.52
  6. Step 6: Final answer
    x = 59,521.43

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