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Finding the Fourth Proportional to 48,876.40, 73,241.70 and 41,440.60

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Solution

The fourth proportional to 48,876.40, 73,241.70 and 41,440.60 is: 62,099.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,876.40 : 73,241.70 = 41,440.60 : x
  2. Step 2: Convert to fraction form
    48,876.40/73,241.70 = 41,440.60/x
  3. Step 3: Cross multiply
    48,876.40x = 73,241.70 × 41,440.60
  4. Step 4: Simplify right side
    48,876.40x = 3,035,179,993.02
  5. Step 5: Solve for x
    x = 3,035,179,993.02/48,876.40
  6. Step 6: Final answer
    x = 62,099.09

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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.