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Finding the Fourth Proportional to 54,324.60, 81,705.60 and 48,638.40

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Solution

The fourth proportional to 54,324.60, 81,705.60 and 48,638.40 is: 73,153.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,324.60 : 81,705.60 = 48,638.40 : x
  2. Step 2: Convert to fraction form
    54,324.60/81,705.60 = 48,638.40/x
  3. Step 3: Cross multiply
    54,324.60x = 81,705.60 × 48,638.40
  4. Step 4: Simplify right side
    54,324.60x = 3,974,029,655.04
  5. Step 5: Solve for x
    x = 3,974,029,655.04/54,324.60
  6. Step 6: Final answer
    x = 73,153.41

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