Home / 55,486.26-83,119.38-25,863.30

Finding the Fourth Proportional to 55,486.26, 83,119.38 and 25,863.30

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Solution

The fourth proportional to 55,486.26, 83,119.38 and 25,863.30 is: 38,743.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,486.26 : 83,119.38 = 25,863.30 : x
  2. Step 2: Convert to fraction form
    55,486.26/83,119.38 = 25,863.30/x
  3. Step 3: Cross multiply
    55,486.26x = 83,119.38 × 25,863.30
  4. Step 4: Simplify right side
    55,486.26x = 2,149,741,460.75
  5. Step 5: Solve for x
    x = 2,149,741,460.75/55,486.26
  6. Step 6: Final answer
    x = 38,743.67

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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.