Home / 45,540.36-68,317.83-19,245.33

Finding the Fourth Proportional to 45,540.36, 68,317.83 and 19,245.33

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Solution

The fourth proportional to 45,540.36, 68,317.83 and 19,245.33 is: 28,871.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,540.36 : 68,317.83 = 19,245.33 : x
  2. Step 2: Convert to fraction form
    45,540.36/68,317.83 = 19,245.33/x
  3. Step 3: Cross multiply
    45,540.36x = 68,317.83 × 19,245.33
  4. Step 4: Simplify right side
    45,540.36x = 1,314,799,183.23
  5. Step 5: Solve for x
    x = 1,314,799,183.23/45,540.36
  6. Step 6: Final answer
    x = 28,871.08

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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.