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Finding the Fourth Proportional to 88,720.75, 122,434.83 and 48,434.52

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Solution

The fourth proportional to 88,720.75, 122,434.83 and 48,434.52 is: 66,839.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,720.75 : 122,434.83 = 48,434.52 : x
  2. Step 2: Convert to fraction form
    88,720.75/122,434.83 = 48,434.52/x
  3. Step 3: Cross multiply
    88,720.75x = 122,434.83 × 48,434.52
  4. Step 4: Simplify right side
    88,720.75x = 5,930,071,610.16
  5. Step 5: Solve for x
    x = 5,930,071,610.16/88,720.75
  6. Step 6: Final answer
    x = 66,839.74

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