Home / 55,750.33-76,910.31-33,090.27

Finding the Fourth Proportional to 55,750.33, 76,910.31 and 33,090.27

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Solution

The fourth proportional to 55,750.33, 76,910.31 and 33,090.27 is: 45,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,750.33 : 76,910.31 = 33,090.27 : x
  2. Step 2: Convert to fraction form
    55,750.33/76,910.31 = 33,090.27/x
  3. Step 3: Cross multiply
    55,750.33x = 76,910.31 × 33,090.27
  4. Step 4: Simplify right side
    55,750.33x = 2,544,983,067.89
  5. Step 5: Solve for x
    x = 2,544,983,067.89/55,750.33
  6. Step 6: Final answer
    x = 45,649.65

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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.