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Finding the Fourth Proportional to 89,374.70, 123,379.08 and 51,641.66

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Solution

The fourth proportional to 89,374.70, 123,379.08 and 51,641.66 is: 71,289.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,374.70 : 123,379.08 = 51,641.66 : x
  2. Step 2: Convert to fraction form
    89,374.70/123,379.08 = 51,641.66/x
  3. Step 3: Cross multiply
    89,374.70x = 123,379.08 × 51,641.66
  4. Step 4: Simplify right side
    89,374.70x = 6,371,500,500.47
  5. Step 5: Solve for x
    x = 6,371,500,500.47/89,374.70
  6. Step 6: Final answer
    x = 71,289.76

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