Home / 66,821.08-100,144.14-27,331.96

Finding the Fourth Proportional to 66,821.08, 100,144.14 and 27,331.96

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Solution

The fourth proportional to 66,821.08, 100,144.14 and 27,331.96 is: 40,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,821.08 : 100,144.14 = 27,331.96 : x
  2. Step 2: Convert to fraction form
    66,821.08/100,144.14 = 27,331.96/x
  3. Step 3: Cross multiply
    66,821.08x = 100,144.14 × 27,331.96
  4. Step 4: Simplify right side
    66,821.08x = 2,737,135,628.71
  5. Step 5: Solve for x
    x = 2,737,135,628.71/66,821.08
  6. Step 6: Final answer
    x = 40,962.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.