Home / 71,944.66-99,286.30-40,119.68

Finding the Fourth Proportional to 71,944.66, 99,286.30 and 40,119.68

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Solution

The fourth proportional to 71,944.66, 99,286.30 and 40,119.68 is: 55,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,944.66 : 99,286.30 = 40,119.68 : x
  2. Step 2: Convert to fraction form
    71,944.66/99,286.30 = 40,119.68/x
  3. Step 3: Cross multiply
    71,944.66x = 99,286.30 × 40,119.68
  4. Step 4: Simplify right side
    71,944.66x = 3,983,334,584.38
  5. Step 5: Solve for x
    x = 3,983,334,584.38/71,944.66
  6. Step 6: Final answer
    x = 55,366.65

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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.