Home / 54,316.33-81,487.20-16,874.48

Finding the Fourth Proportional to 54,316.33, 81,487.20 and 16,874.48

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Solution

The fourth proportional to 54,316.33, 81,487.20 and 16,874.48 is: 25,315.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,316.33 : 81,487.20 = 16,874.48 : x
  2. Step 2: Convert to fraction form
    54,316.33/81,487.20 = 16,874.48/x
  3. Step 3: Cross multiply
    54,316.33x = 81,487.20 × 16,874.48
  4. Step 4: Simplify right side
    54,316.33x = 1,375,054,126.66
  5. Step 5: Solve for x
    x = 1,375,054,126.66/54,316.33
  6. Step 6: Final answer
    x = 25,315.67

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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.