Home / 43,049.92-64,575.04-11,887.68

Finding the Fourth Proportional to 43,049.92, 64,575.04 and 11,887.68

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Solution

The fourth proportional to 43,049.92, 64,575.04 and 11,887.68 is: 17,831.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,049.92 : 64,575.04 = 11,887.68 : x
  2. Step 2: Convert to fraction form
    43,049.92/64,575.04 = 11,887.68/x
  3. Step 3: Cross multiply
    43,049.92x = 64,575.04 × 11,887.68
  4. Step 4: Simplify right side
    43,049.92x = 767,647,411.51
  5. Step 5: Solve for x
    x = 767,647,411.51/43,049.92
  6. Step 6: Final answer
    x = 17,831.56

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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.