Home / 54,250.21-74,868.06-30,375.46

Finding the Fourth Proportional to 54,250.21, 74,868.06 and 30,375.46

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Solution

The fourth proportional to 54,250.21, 74,868.06 and 30,375.46 is: 41,919.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,250.21 : 74,868.06 = 30,375.46 : x
  2. Step 2: Convert to fraction form
    54,250.21/74,868.06 = 30,375.46/x
  3. Step 3: Cross multiply
    54,250.21x = 74,868.06 × 30,375.46
  4. Step 4: Simplify right side
    54,250.21x = 2,274,151,761.81
  5. Step 5: Solve for x
    x = 2,274,151,761.81/54,250.21
  6. Step 6: Final answer
    x = 41,919.69

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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.