Home / 54,694.67-81,959.99-42,195.96

Finding the Fourth Proportional to 54,694.67, 81,959.99 and 42,195.96

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Solution

The fourth proportional to 54,694.67, 81,959.99 and 42,195.96 is: 63,230.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,694.67 : 81,959.99 = 42,195.96 : x
  2. Step 2: Convert to fraction form
    54,694.67/81,959.99 = 42,195.96/x
  3. Step 3: Cross multiply
    54,694.67x = 81,959.99 × 42,195.96
  4. Step 4: Simplify right side
    54,694.67x = 3,458,380,248.66
  5. Step 5: Solve for x
    x = 3,458,380,248.66/54,694.67
  6. Step 6: Final answer
    x = 63,230.67

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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.