Home / 54,361.22-75,018.35-30,165.86

Finding the Fourth Proportional to 54,361.22, 75,018.35 and 30,165.86

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Solution

The fourth proportional to 54,361.22, 75,018.35 and 30,165.86 is: 41,628.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,361.22 : 75,018.35 = 30,165.86 : x
  2. Step 2: Convert to fraction form
    54,361.22/75,018.35 = 30,165.86/x
  3. Step 3: Cross multiply
    54,361.22x = 75,018.35 × 30,165.86
  4. Step 4: Simplify right side
    54,361.22x = 2,262,993,043.53
  5. Step 5: Solve for x
    x = 2,262,993,043.53/54,361.22
  6. Step 6: Final answer
    x = 41,628.81

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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.