Home / 80,655.90-111,299.67-44,843.10

Finding the Fourth Proportional to 80,655.90, 111,299.67 and 44,843.10

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Solution

The fourth proportional to 80,655.90, 111,299.67 and 44,843.10 is: 61,880.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,655.90 : 111,299.67 = 44,843.10 : x
  2. Step 2: Convert to fraction form
    80,655.90/111,299.67 = 44,843.10/x
  3. Step 3: Cross multiply
    80,655.90x = 111,299.67 × 44,843.10
  4. Step 4: Simplify right side
    80,655.90x = 4,991,022,231.78
  5. Step 5: Solve for x
    x = 4,991,022,231.78/80,655.90
  6. Step 6: Final answer
    x = 61,880.44

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1.5x scale

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.