Home / 54,845.08-82,310.88-28,190.04

Finding the Fourth Proportional to 54,845.08, 82,310.88 and 28,190.04

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Solution

The fourth proportional to 54,845.08, 82,310.88 and 28,190.04 is: 42,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,845.08 : 82,310.88 = 28,190.04 : x
  2. Step 2: Convert to fraction form
    54,845.08/82,310.88 = 28,190.04/x
  3. Step 3: Cross multiply
    54,845.08x = 82,310.88 × 28,190.04
  4. Step 4: Simplify right side
    54,845.08x = 2,320,346,999.64
  5. Step 5: Solve for x
    x = 2,320,346,999.64/54,845.08
  6. Step 6: Final answer
    x = 42,307.30

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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.