Home / 55,722.97-76,897.45-30,229.36

Finding the Fourth Proportional to 55,722.97, 76,897.45 and 30,229.36

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Solution

The fourth proportional to 55,722.97, 76,897.45 and 30,229.36 is: 41,716.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,722.97 : 76,897.45 = 30,229.36 : x
  2. Step 2: Convert to fraction form
    55,722.97/76,897.45 = 30,229.36/x
  3. Step 3: Cross multiply
    55,722.97x = 76,897.45 × 30,229.36
  4. Step 4: Simplify right side
    55,722.97x = 2,324,560,699.13
  5. Step 5: Solve for x
    x = 2,324,560,699.13/55,722.97
  6. Step 6: Final answer
    x = 41,716.38

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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.