Home / 78,829.20-108,780.30-43,018.92

Finding the Fourth Proportional to 78,829.20, 108,780.30 and 43,018.92

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Solution

The fourth proportional to 78,829.20, 108,780.30 and 43,018.92 is: 59,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,829.20 : 108,780.30 = 43,018.92 : x
  2. Step 2: Convert to fraction form
    78,829.20/108,780.30 = 43,018.92/x
  3. Step 3: Cross multiply
    78,829.20x = 108,780.30 × 43,018.92
  4. Step 4: Simplify right side
    78,829.20x = 4,679,611,023.28
  5. Step 5: Solve for x
    x = 4,679,611,023.28/78,829.20
  6. Step 6: Final answer
    x = 59,363.93

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