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Finding the Fourth Proportional to 70,841.13, 97,760.76 and 39,009.96

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Solution

The fourth proportional to 70,841.13, 97,760.76 and 39,009.96 is: 53,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,841.13 : 97,760.76 = 39,009.96 : x
  2. Step 2: Convert to fraction form
    70,841.13/97,760.76 = 39,009.96/x
  3. Step 3: Cross multiply
    70,841.13x = 97,760.76 × 39,009.96
  4. Step 4: Simplify right side
    70,841.13x = 3,813,643,337.17
  5. Step 5: Solve for x
    x = 3,813,643,337.17/70,841.13
  6. Step 6: Final answer
    x = 53,833.75

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