Home / 67,215.14-100,845.51-29,770.18

Finding the Fourth Proportional to 67,215.14, 100,845.51 and 29,770.18

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Solution

The fourth proportional to 67,215.14, 100,845.51 and 29,770.18 is: 44,665.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,215.14 : 100,845.51 = 29,770.18 : x
  2. Step 2: Convert to fraction form
    67,215.14/100,845.51 = 29,770.18/x
  3. Step 3: Cross multiply
    67,215.14x = 100,845.51 × 29,770.18
  4. Step 4: Simplify right side
    67,215.14x = 3,002,188,984.89
  5. Step 5: Solve for x
    x = 3,002,188,984.89/67,215.14
  6. Step 6: Final answer
    x = 44,665.37

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1.5x scale

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.