Home / 54,383.10-81,541.35-49,742.19

Finding the Fourth Proportional to 54,383.10, 81,541.35 and 49,742.19

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Solution

The fourth proportional to 54,383.10, 81,541.35 and 49,742.19 is: 74,582.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,383.10 : 81,541.35 = 49,742.19 : x
  2. Step 2: Convert to fraction form
    54,383.10/81,541.35 = 49,742.19/x
  3. Step 3: Cross multiply
    54,383.10x = 81,541.35 × 49,742.19
  4. Step 4: Simplify right side
    54,383.10x = 4,056,045,324.56
  5. Step 5: Solve for x
    x = 4,056,045,324.56/54,383.10
  6. Step 6: Final answer
    x = 74,582.83

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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.