Home / 61,179.09-84,448.13-38,556.24

Finding the Fourth Proportional to 61,179.09, 84,448.13 and 38,556.24

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Solution

The fourth proportional to 61,179.09, 84,448.13 and 38,556.24 is: 53,220.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,179.09 : 84,448.13 = 38,556.24 : x
  2. Step 2: Convert to fraction form
    61,179.09/84,448.13 = 38,556.24/x
  3. Step 3: Cross multiply
    61,179.09x = 84,448.13 × 38,556.24
  4. Step 4: Simplify right side
    61,179.09x = 3,256,002,175.05
  5. Step 5: Solve for x
    x = 3,256,002,175.05/61,179.09
  6. Step 6: Final answer
    x = 53,220.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.