Home / 73,768.20-101,809.26-45,081.96

Finding the Fourth Proportional to 73,768.20, 101,809.26 and 45,081.96

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Solution

The fourth proportional to 73,768.20, 101,809.26 and 45,081.96 is: 62,218.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,768.20 : 101,809.26 = 45,081.96 : x
  2. Step 2: Convert to fraction form
    73,768.20/101,809.26 = 45,081.96/x
  3. Step 3: Cross multiply
    73,768.20x = 101,809.26 × 45,081.96
  4. Step 4: Simplify right side
    73,768.20x = 4,589,760,986.95
  5. Step 5: Solve for x
    x = 4,589,760,986.95/73,768.20
  6. Step 6: Final answer
    x = 62,218.69

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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.