Home / 54,649.44-75,410.64-40,317.06

Finding the Fourth Proportional to 54,649.44, 75,410.64 and 40,317.06

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Solution

The fourth proportional to 54,649.44, 75,410.64 and 40,317.06 is: 55,633.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,649.44 : 75,410.64 = 40,317.06 : x
  2. Step 2: Convert to fraction form
    54,649.44/75,410.64 = 40,317.06/x
  3. Step 3: Cross multiply
    54,649.44x = 75,410.64 × 40,317.06
  4. Step 4: Simplify right side
    54,649.44x = 3,040,335,297.52
  5. Step 5: Solve for x
    x = 3,040,335,297.52/54,649.44
  6. Step 6: Final answer
    x = 55,633.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.