Home / 80,487.45-111,071.85-44,676.54

Finding the Fourth Proportional to 80,487.45, 111,071.85 and 44,676.54

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Solution

The fourth proportional to 80,487.45, 111,071.85 and 44,676.54 is: 61,653.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,487.45 : 111,071.85 = 44,676.54 : x
  2. Step 2: Convert to fraction form
    80,487.45/111,071.85 = 44,676.54/x
  3. Step 3: Cross multiply
    80,487.45x = 111,071.85 × 44,676.54
  4. Step 4: Simplify right side
    80,487.45x = 4,962,305,949.40
  5. Step 5: Solve for x
    x = 4,962,305,949.40/80,487.45
  6. Step 6: Final answer
    x = 61,653.16

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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.