Home / 73,821.41-101,872.13-40,287.65

Finding the Fourth Proportional to 73,821.41, 101,872.13 and 40,287.65

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Solution

The fourth proportional to 73,821.41, 101,872.13 and 40,287.65 is: 55,596.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,821.41 : 101,872.13 = 40,287.65 : x
  2. Step 2: Convert to fraction form
    73,821.41/101,872.13 = 40,287.65/x
  3. Step 3: Cross multiply
    73,821.41x = 101,872.13 × 40,287.65
  4. Step 4: Simplify right side
    73,821.41x = 4,104,188,516.76
  5. Step 5: Solve for x
    x = 4,104,188,516.76/73,821.41
  6. Step 6: Final answer
    x = 55,596.18

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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.