Home / 45,371.40-68,067.90-19,062.60

Finding the Fourth Proportional to 45,371.40, 68,067.90 and 19,062.60

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Solution

The fourth proportional to 45,371.40, 68,067.90 and 19,062.60 is: 28,598.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,371.40 : 68,067.90 = 19,062.60 : x
  2. Step 2: Convert to fraction form
    45,371.40/68,067.90 = 19,062.60/x
  3. Step 3: Cross multiply
    45,371.40x = 68,067.90 × 19,062.60
  4. Step 4: Simplify right side
    45,371.40x = 1,297,551,150.54
  5. Step 5: Solve for x
    x = 1,297,551,150.54/45,371.40
  6. Step 6: Final answer
    x = 28,598.44

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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.