Home / 54,729.12-75,524.46-30,855.44

Finding the Fourth Proportional to 54,729.12, 75,524.46 and 30,855.44

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Solution

The fourth proportional to 54,729.12, 75,524.46 and 30,855.44 is: 42,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,729.12 : 75,524.46 = 30,855.44 : x
  2. Step 2: Convert to fraction form
    54,729.12/75,524.46 = 30,855.44/x
  3. Step 3: Cross multiply
    54,729.12x = 75,524.46 × 30,855.44
  4. Step 4: Simplify right side
    54,729.12x = 2,330,340,444.06
  5. Step 5: Solve for x
    x = 2,330,340,444.06/54,729.12
  6. Step 6: Final answer
    x = 42,579.53

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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.