Home / 55,525.76-76,625.44-30,375.28

Finding the Fourth Proportional to 55,525.76, 76,625.44 and 30,375.28

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Solution

The fourth proportional to 55,525.76, 76,625.44 and 30,375.28 is: 41,917.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,525.76 : 76,625.44 = 30,375.28 : x
  2. Step 2: Convert to fraction form
    55,525.76/76,625.44 = 30,375.28/x
  3. Step 3: Cross multiply
    55,525.76x = 76,625.44 × 30,375.28
  4. Step 4: Simplify right side
    55,525.76x = 2,327,519,195.12
  5. Step 5: Solve for x
    x = 2,327,519,195.12/55,525.76
  6. Step 6: Final answer
    x = 41,917.83

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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.