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Finding the Fourth Proportional to 73,098.96, 100,869.30 and 41,261.73

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Solution

The fourth proportional to 73,098.96, 100,869.30 and 41,261.73 is: 56,937.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,098.96 : 100,869.30 = 41,261.73 : x
  2. Step 2: Convert to fraction form
    73,098.96/100,869.30 = 41,261.73/x
  3. Step 3: Cross multiply
    73,098.96x = 100,869.30 × 41,261.73
  4. Step 4: Simplify right side
    73,098.96x = 4,162,041,821.89
  5. Step 5: Solve for x
    x = 4,162,041,821.89/73,098.96
  6. Step 6: Final answer
    x = 56,937.09

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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.