Home / 55,859.26-83,789.97-20,791.84

Finding the Fourth Proportional to 55,859.26, 83,789.97 and 20,791.84

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Solution

The fourth proportional to 55,859.26, 83,789.97 and 20,791.84 is: 31,188.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,859.26 : 83,789.97 = 20,791.84 : x
  2. Step 2: Convert to fraction form
    55,859.26/83,789.97 = 20,791.84/x
  3. Step 3: Cross multiply
    55,859.26x = 83,789.97 × 20,791.84
  4. Step 4: Simplify right side
    55,859.26x = 1,742,147,649.84
  5. Step 5: Solve for x
    x = 1,742,147,649.84/55,859.26
  6. Step 6: Final answer
    x = 31,188.16

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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.