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Finding the Fourth Proportional to 57,944.77, 86,770.14 and 48,560.11

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Solution

The fourth proportional to 57,944.77, 86,770.14 and 48,560.11 is: 72,716.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,944.77 : 86,770.14 = 48,560.11 : x
  2. Step 2: Convert to fraction form
    57,944.77/86,770.14 = 48,560.11/x
  3. Step 3: Cross multiply
    57,944.77x = 86,770.14 × 48,560.11
  4. Step 4: Simplify right side
    57,944.77x = 4,213,567,144.09
  5. Step 5: Solve for x
    x = 4,213,567,144.09/57,944.77
  6. Step 6: Final answer
    x = 72,716.96

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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.