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Finding the Fourth Proportional to 88,099.70, 121,577.67 and 47,813.47

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Solution

The fourth proportional to 88,099.70, 121,577.67 and 47,813.47 is: 65,982.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,099.70 : 121,577.67 = 47,813.47 : x
  2. Step 2: Convert to fraction form
    88,099.70/121,577.67 = 47,813.47/x
  3. Step 3: Cross multiply
    88,099.70x = 121,577.67 × 47,813.47
  4. Step 4: Simplify right side
    88,099.70x = 5,813,050,277.21
  5. Step 5: Solve for x
    x = 5,813,050,277.21/88,099.70
  6. Step 6: Final answer
    x = 65,982.63

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