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Finding the Fourth Proportional to 89,316.94, 133,978.47 and 44,919.49

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Solution

The fourth proportional to 89,316.94, 133,978.47 and 44,919.49 is: 67,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,316.94 : 133,978.47 = 44,919.49 : x
  2. Step 2: Convert to fraction form
    89,316.94/133,978.47 = 44,919.49/x
  3. Step 3: Cross multiply
    89,316.94x = 133,978.47 × 44,919.49
  4. Step 4: Simplify right side
    89,316.94x = 6,018,244,543.38
  5. Step 5: Solve for x
    x = 6,018,244,543.38/89,316.94
  6. Step 6: Final answer
    x = 67,380.77

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