Home / 45,481.68-68,122.08-29,709.36

Finding the Fourth Proportional to 45,481.68, 68,122.08 and 29,709.36

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Solution

The fourth proportional to 45,481.68, 68,122.08 and 29,709.36 is: 44,498.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,481.68 : 68,122.08 = 29,709.36 : x
  2. Step 2: Convert to fraction form
    45,481.68/68,122.08 = 29,709.36/x
  3. Step 3: Cross multiply
    45,481.68x = 68,122.08 × 29,709.36
  4. Step 4: Simplify right side
    45,481.68x = 2,023,863,398.67
  5. Step 5: Solve for x
    x = 2,023,863,398.67/45,481.68
  6. Step 6: Final answer
    x = 44,498.43

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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.