Home / 66,337.43-91,543.82-36,122.09

Finding the Fourth Proportional to 66,337.43, 91,543.82 and 36,122.09

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Solution

The fourth proportional to 66,337.43, 91,543.82 and 36,122.09 is: 49,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,337.43 : 91,543.82 = 36,122.09 : x
  2. Step 2: Convert to fraction form
    66,337.43/91,543.82 = 36,122.09/x
  3. Step 3: Cross multiply
    66,337.43x = 91,543.82 × 36,122.09
  4. Step 4: Simplify right side
    66,337.43x = 3,306,753,466.65
  5. Step 5: Solve for x
    x = 3,306,753,466.65/66,337.43
  6. Step 6: Final answer
    x = 49,847.48

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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.