Home / 54,114.21-74,676.32-30,245.50

Finding the Fourth Proportional to 54,114.21, 74,676.32 and 30,245.50

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Solution

The fourth proportional to 54,114.21, 74,676.32 and 30,245.50 is: 41,738.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,114.21 : 74,676.32 = 30,245.50 : x
  2. Step 2: Convert to fraction form
    54,114.21/74,676.32 = 30,245.50/x
  3. Step 3: Cross multiply
    54,114.21x = 74,676.32 × 30,245.50
  4. Step 4: Simplify right side
    54,114.21x = 2,258,622,636.56
  5. Step 5: Solve for x
    x = 2,258,622,636.56/54,114.21
  6. Step 6: Final answer
    x = 41,738.07

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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.