Home / 45,489.34-68,195.13-29,872.54

Finding the Fourth Proportional to 45,489.34, 68,195.13 and 29,872.54

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Solution

The fourth proportional to 45,489.34, 68,195.13 and 29,872.54 is: 44,783.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,489.34 : 68,195.13 = 29,872.54 : x
  2. Step 2: Convert to fraction form
    45,489.34/68,195.13 = 29,872.54/x
  3. Step 3: Cross multiply
    45,489.34x = 68,195.13 × 29,872.54
  4. Step 4: Simplify right side
    45,489.34x = 2,037,161,748.73
  5. Step 5: Solve for x
    x = 2,037,161,748.73/45,489.34
  6. Step 6: Final answer
    x = 44,783.28

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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.