Home / 54,286.11-74,914.88-33,065.42

Finding the Fourth Proportional to 54,286.11, 74,914.88 and 33,065.42

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Solution

The fourth proportional to 54,286.11, 74,914.88 and 33,065.42 is: 45,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,286.11 : 74,914.88 = 33,065.42 : x
  2. Step 2: Convert to fraction form
    54,286.11/74,914.88 = 33,065.42/x
  3. Step 3: Cross multiply
    54,286.11x = 74,914.88 × 33,065.42
  4. Step 4: Simplify right side
    54,286.11x = 2,477,091,431.55
  5. Step 5: Solve for x
    x = 2,477,091,431.55/54,286.11
  6. Step 6: Final answer
    x = 45,630.30

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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.