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Finding the Fourth Proportional to 85,808.14, 128,734.61 and 32,500.46

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Solution

The fourth proportional to 85,808.14, 128,734.61 and 32,500.46 is: 48,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,808.14 : 128,734.61 = 32,500.46 : x
  2. Step 2: Convert to fraction form
    85,808.14/128,734.61 = 32,500.46/x
  3. Step 3: Cross multiply
    85,808.14x = 128,734.61 × 32,500.46
  4. Step 4: Simplify right side
    85,808.14x = 4,183,934,202.25
  5. Step 5: Solve for x
    x = 4,183,934,202.25/85,808.14
  6. Step 6: Final answer
    x = 48,759.18

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