Home / 80,545.26-111,157.47-48,715.50

Finding the Fourth Proportional to 80,545.26, 111,157.47 and 48,715.50

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Solution

The fourth proportional to 80,545.26, 111,157.47 and 48,715.50 is: 67,230.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,545.26 : 111,157.47 = 48,715.50 : x
  2. Step 2: Convert to fraction form
    80,545.26/111,157.47 = 48,715.50/x
  3. Step 3: Cross multiply
    80,545.26x = 111,157.47 × 48,715.50
  4. Step 4: Simplify right side
    80,545.26x = 5,415,091,729.79
  5. Step 5: Solve for x
    x = 5,415,091,729.79/80,545.26
  6. Step 6: Final answer
    x = 67,230.42

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