Home / 55,519.52-83,145.83-31,755.04

Finding the Fourth Proportional to 55,519.52, 83,145.83 and 31,755.04

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Solution

The fourth proportional to 55,519.52, 83,145.83 and 31,755.04 is: 47,556.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,519.52 : 83,145.83 = 31,755.04 : x
  2. Step 2: Convert to fraction form
    55,519.52/83,145.83 = 31,755.04/x
  3. Step 3: Cross multiply
    55,519.52x = 83,145.83 × 31,755.04
  4. Step 4: Simplify right side
    55,519.52x = 2,640,298,790.84
  5. Step 5: Solve for x
    x = 2,640,298,790.84/55,519.52
  6. Step 6: Final answer
    x = 47,556.23

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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.