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Finding the Fourth Proportional to 89,007.40, 122,828.97 and 48,720.16

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Solution

The fourth proportional to 89,007.40, 122,828.97 and 48,720.16 is: 67,233.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,007.40 : 122,828.97 = 48,720.16 : x
  2. Step 2: Convert to fraction form
    89,007.40/122,828.97 = 48,720.16/x
  3. Step 3: Cross multiply
    89,007.40x = 122,828.97 × 48,720.16
  4. Step 4: Simplify right side
    89,007.40x = 5,984,247,071.04
  5. Step 5: Solve for x
    x = 5,984,247,071.04/89,007.40
  6. Step 6: Final answer
    x = 67,233.14

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