Home / 66,767.20-100,185.32-29,353.52

Finding the Fourth Proportional to 66,767.20, 100,185.32 and 29,353.52

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Solution

The fourth proportional to 66,767.20, 100,185.32 and 29,353.52 is: 44,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,767.20 : 100,185.32 = 29,353.52 : x
  2. Step 2: Convert to fraction form
    66,767.20/100,185.32 = 29,353.52/x
  3. Step 3: Cross multiply
    66,767.20x = 100,185.32 × 29,353.52
  4. Step 4: Simplify right side
    66,767.20x = 2,940,791,794.33
  5. Step 5: Solve for x
    x = 2,940,791,794.33/66,767.20
  6. Step 6: Final answer
    x = 44,045.46

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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.