Home / 73,218.20-101,040.81-40,952.86

Finding the Fourth Proportional to 73,218.20, 101,040.81 and 40,952.86

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Solution

The fourth proportional to 73,218.20, 101,040.81 and 40,952.86 is: 56,514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,218.20 : 101,040.81 = 40,952.86 : x
  2. Step 2: Convert to fraction form
    73,218.20/101,040.81 = 40,952.86/x
  3. Step 3: Cross multiply
    73,218.20x = 101,040.81 × 40,952.86
  4. Step 4: Simplify right side
    73,218.20x = 4,137,910,146.22
  5. Step 5: Solve for x
    x = 4,137,910,146.22/73,218.20
  6. Step 6: Final answer
    x = 56,514.78

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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.