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Finding the Fourth Proportional to 71,944.96, 107,875.68 and 22,010.80

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Solution

The fourth proportional to 71,944.96, 107,875.68 and 22,010.80 is: 33,003.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,944.96 : 107,875.68 = 22,010.80 : x
  2. Step 2: Convert to fraction form
    71,944.96/107,875.68 = 22,010.80/x
  3. Step 3: Cross multiply
    71,944.96x = 107,875.68 × 22,010.80
  4. Step 4: Simplify right side
    71,944.96x = 2,374,430,017.34
  5. Step 5: Solve for x
    x = 2,374,430,017.34/71,944.96
  6. Step 6: Final answer
    x = 33,003.42

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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.