Home / 54,754.56-75,562.38-30,876.57

Finding the Fourth Proportional to 54,754.56, 75,562.38 and 30,876.57

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Solution

The fourth proportional to 54,754.56, 75,562.38 and 30,876.57 is: 42,610.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,754.56 : 75,562.38 = 30,876.57 : x
  2. Step 2: Convert to fraction form
    54,754.56/75,562.38 = 30,876.57/x
  3. Step 3: Cross multiply
    54,754.56x = 75,562.38 × 30,876.57
  4. Step 4: Simplify right side
    54,754.56x = 2,333,107,115.44
  5. Step 5: Solve for x
    x = 2,333,107,115.44/54,754.56
  6. Step 6: Final answer
    x = 42,610.28

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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.