Home / 45,447.45-68,174.29-15,449.48

Finding the Fourth Proportional to 45,447.45, 68,174.29 and 15,449.48

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Solution

The fourth proportional to 45,447.45, 68,174.29 and 15,449.48 is: 23,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,447.45 : 68,174.29 = 15,449.48 : x
  2. Step 2: Convert to fraction form
    45,447.45/68,174.29 = 15,449.48/x
  3. Step 3: Cross multiply
    45,447.45x = 68,174.29 × 15,449.48
  4. Step 4: Simplify right side
    45,447.45x = 1,053,257,291.25
  5. Step 5: Solve for x
    x = 1,053,257,291.25/45,447.45
  6. Step 6: Final answer
    x = 23,175.28

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1.5x scale

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.