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Finding the Fourth Proportional to 64,122.40, 96,068.40 and 54,906.40

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Solution

The fourth proportional to 64,122.40, 96,068.40 and 54,906.40 is: 82,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,122.40 : 96,068.40 = 54,906.40 : x
  2. Step 2: Convert to fraction form
    64,122.40/96,068.40 = 54,906.40/x
  3. Step 3: Cross multiply
    64,122.40x = 96,068.40 × 54,906.40
  4. Step 4: Simplify right side
    64,122.40x = 5,274,769,997.76
  5. Step 5: Solve for x
    x = 5,274,769,997.76/64,122.40
  6. Step 6: Final answer
    x = 82,260.96

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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.