Home / 54,921.58-75,789.75-29,770.54

Finding the Fourth Proportional to 54,921.58, 75,789.75 and 29,770.54

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Solution

The fourth proportional to 54,921.58, 75,789.75 and 29,770.54 is: 41,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,921.58 : 75,789.75 = 29,770.54 : x
  2. Step 2: Convert to fraction form
    54,921.58/75,789.75 = 29,770.54/x
  3. Step 3: Cross multiply
    54,921.58x = 75,789.75 × 29,770.54
  4. Step 4: Simplify right side
    54,921.58x = 2,256,301,783.97
  5. Step 5: Solve for x
    x = 2,256,301,783.97/54,921.58
  6. Step 6: Final answer
    x = 41,082.24

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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.