Home / 54,521.92-81,781.90-29,719.83

Finding the Fourth Proportional to 54,521.92, 81,781.90 and 29,719.83

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Solution

The fourth proportional to 54,521.92, 81,781.90 and 29,719.83 is: 44,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,521.92 : 81,781.90 = 29,719.83 : x
  2. Step 2: Convert to fraction form
    54,521.92/81,781.90 = 29,719.83/x
  3. Step 3: Cross multiply
    54,521.92x = 81,781.90 × 29,719.83
  4. Step 4: Simplify right side
    54,521.92x = 2,430,544,165.08
  5. Step 5: Solve for x
    x = 2,430,544,165.08/54,521.92
  6. Step 6: Final answer
    x = 44,579.21

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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.