Home / 74,446.85-111,716.40-30,073.98

Finding the Fourth Proportional to 74,446.85, 111,716.40 and 30,073.98

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Solution

The fourth proportional to 74,446.85, 111,716.40 and 30,073.98 is: 45,129.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,446.85 : 111,716.40 = 30,073.98 : x
  2. Step 2: Convert to fraction form
    74,446.85/111,716.40 = 30,073.98/x
  3. Step 3: Cross multiply
    74,446.85x = 111,716.40 × 30,073.98
  4. Step 4: Simplify right side
    74,446.85x = 3,359,757,268.69
  5. Step 5: Solve for x
    x = 3,359,757,268.69/74,446.85
  6. Step 6: Final answer
    x = 45,129.61

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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.