Home / 82,448.53-123,662.40-35,082.57

Finding the Fourth Proportional to 82,448.53, 123,662.40 and 35,082.57

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Solution

The fourth proportional to 82,448.53, 123,662.40 and 35,082.57 is: 52,619.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,448.53 : 123,662.40 = 35,082.57 : x
  2. Step 2: Convert to fraction form
    82,448.53/123,662.40 = 35,082.57/x
  3. Step 3: Cross multiply
    82,448.53x = 123,662.40 × 35,082.57
  4. Step 4: Simplify right side
    82,448.53x = 4,338,394,186.06
  5. Step 5: Solve for x
    x = 4,338,394,186.06/82,448.53
  6. Step 6: Final answer
    x = 52,619.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.