Home / 73,770.20-101,799.07-40,229.72

Finding the Fourth Proportional to 73,770.20, 101,799.07 and 40,229.72

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Solution

The fourth proportional to 73,770.20, 101,799.07 and 40,229.72 is: 55,514.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,770.20 : 101,799.07 = 40,229.72 : x
  2. Step 2: Convert to fraction form
    73,770.20/101,799.07 = 40,229.72/x
  3. Step 3: Cross multiply
    73,770.20x = 101,799.07 × 40,229.72
  4. Step 4: Simplify right side
    73,770.20x = 4,095,347,472.79
  5. Step 5: Solve for x
    x = 4,095,347,472.79/73,770.20
  6. Step 6: Final answer
    x = 55,514.93

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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.