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Finding the Fourth Proportional to 64,394.54, 88,861.46 and 36,099.50

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Solution

The fourth proportional to 64,394.54, 88,861.46 and 36,099.50 is: 49,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,394.54 : 88,861.46 = 36,099.50 : x
  2. Step 2: Convert to fraction form
    64,394.54/88,861.46 = 36,099.50/x
  3. Step 3: Cross multiply
    64,394.54x = 88,861.46 × 36,099.50
  4. Step 4: Simplify right side
    64,394.54x = 3,207,854,275.27
  5. Step 5: Solve for x
    x = 3,207,854,275.27/64,394.54
  6. Step 6: Final answer
    x = 49,815.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.