Home / 73,821.91-101,872.82-40,288.15

Finding the Fourth Proportional to 73,821.91, 101,872.82 and 40,288.15

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Solution

The fourth proportional to 73,821.91, 101,872.82 and 40,288.15 is: 55,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,821.91 : 101,872.82 = 40,288.15 : x
  2. Step 2: Convert to fraction form
    73,821.91/101,872.82 = 40,288.15/x
  3. Step 3: Cross multiply
    73,821.91x = 101,872.82 × 40,288.15
  4. Step 4: Simplify right side
    73,821.91x = 4,104,267,251.64
  5. Step 5: Solve for x
    x = 4,104,267,251.64/73,821.91
  6. Step 6: Final answer
    x = 55,596.87

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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.