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Finding the Fourth Proportional to 64,781.73, 97,126.58 and 24,766.98

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Solution

The fourth proportional to 64,781.73, 97,126.58 and 24,766.98 is: 37,132.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,781.73 : 97,126.58 = 24,766.98 : x
  2. Step 2: Convert to fraction form
    64,781.73/97,126.58 = 24,766.98/x
  3. Step 3: Cross multiply
    64,781.73x = 97,126.58 × 24,766.98
  4. Step 4: Simplify right side
    64,781.73x = 2,405,531,940.49
  5. Step 5: Solve for x
    x = 2,405,531,940.49/64,781.73
  6. Step 6: Final answer
    x = 37,132.88

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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.