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Finding the Fourth Proportional to 88,715.70, 133,073.55 and 53,723.70

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Solution

The fourth proportional to 88,715.70, 133,073.55 and 53,723.70 is: 80,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,715.70 : 133,073.55 = 53,723.70 : x
  2. Step 2: Convert to fraction form
    88,715.70/133,073.55 = 53,723.70/x
  3. Step 3: Cross multiply
    88,715.70x = 133,073.55 × 53,723.70
  4. Step 4: Simplify right side
    88,715.70x = 7,149,203,478.14
  5. Step 5: Solve for x
    x = 7,149,203,478.14/88,715.70
  6. Step 6: Final answer
    x = 80,585.55

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