Home / 54,109.76-81,183.09-29,152.37

Finding the Fourth Proportional to 54,109.76, 81,183.09 and 29,152.37

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Solution

The fourth proportional to 54,109.76, 81,183.09 and 29,152.37 is: 43,738.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,109.76 : 81,183.09 = 29,152.37 : x
  2. Step 2: Convert to fraction form
    54,109.76/81,183.09 = 29,152.37/x
  3. Step 3: Cross multiply
    54,109.76x = 81,183.09 × 29,152.37
  4. Step 4: Simplify right side
    54,109.76x = 2,366,679,375.94
  5. Step 5: Solve for x
    x = 2,366,679,375.94/54,109.76
  6. Step 6: Final answer
    x = 43,738.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.