Home / 43,143.38-64,703.20-27,324.69

Finding the Fourth Proportional to 43,143.38, 64,703.20 and 27,324.69

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Solution

The fourth proportional to 43,143.38, 64,703.20 and 27,324.69 is: 40,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,143.38 : 64,703.20 = 27,324.69 : x
  2. Step 2: Convert to fraction form
    43,143.38/64,703.20 = 27,324.69/x
  3. Step 3: Cross multiply
    43,143.38x = 64,703.20 × 27,324.69
  4. Step 4: Simplify right side
    43,143.38x = 1,767,994,421.87
  5. Step 5: Solve for x
    x = 1,767,994,421.87/43,143.38
  6. Step 6: Final answer
    x = 40,979.51

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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.