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Finding the Fourth Proportional to 71,327.93, 106,951.82 and 48,863.94

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Solution

The fourth proportional to 71,327.93, 106,951.82 and 48,863.94 is: 73,268.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,327.93 : 106,951.82 = 48,863.94 : x
  2. Step 2: Convert to fraction form
    71,327.93/106,951.82 = 48,863.94/x
  3. Step 3: Cross multiply
    71,327.93x = 106,951.82 × 48,863.94
  4. Step 4: Simplify right side
    71,327.93x = 5,226,087,071.05
  5. Step 5: Solve for x
    x = 5,226,087,071.05/71,327.93
  6. Step 6: Final answer
    x = 73,268.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.