Home / 67,514.12-101,237.16-30,072.68

Finding the Fourth Proportional to 67,514.12, 101,237.16 and 30,072.68

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Solution

The fourth proportional to 67,514.12, 101,237.16 and 30,072.68 is: 45,093.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,514.12 : 101,237.16 = 30,072.68 : x
  2. Step 2: Convert to fraction form
    67,514.12/101,237.16 = 30,072.68/x
  3. Step 3: Cross multiply
    67,514.12x = 101,237.16 × 30,072.68
  4. Step 4: Simplify right side
    67,514.12x = 3,044,472,716.79
  5. Step 5: Solve for x
    x = 3,044,472,716.79/67,514.12
  6. Step 6: Final answer
    x = 45,093.87

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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.