Home / 54,250.75-74,872.43-30,372.81

Finding the Fourth Proportional to 54,250.75, 74,872.43 and 30,372.81

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Solution

The fourth proportional to 54,250.75, 74,872.43 and 30,372.81 is: 41,918.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,250.75 : 74,872.43 = 30,372.81 : x
  2. Step 2: Convert to fraction form
    54,250.75/74,872.43 = 30,372.81/x
  3. Step 3: Cross multiply
    54,250.75x = 74,872.43 × 30,372.81
  4. Step 4: Simplify right side
    54,250.75x = 2,274,085,686.47
  5. Step 5: Solve for x
    x = 2,274,085,686.47/54,250.75
  6. Step 6: Final answer
    x = 41,918.05

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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.