Home / 80,896.04-111,640.33-45,086.30

Finding the Fourth Proportional to 80,896.04, 111,640.33 and 45,086.30

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Solution

The fourth proportional to 80,896.04, 111,640.33 and 45,086.30 is: 62,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,896.04 : 111,640.33 = 45,086.30 : x
  2. Step 2: Convert to fraction form
    80,896.04/111,640.33 = 45,086.30/x
  3. Step 3: Cross multiply
    80,896.04x = 111,640.33 × 45,086.30
  4. Step 4: Simplify right side
    80,896.04x = 5,033,449,158.21
  5. Step 5: Solve for x
    x = 5,033,449,158.21/80,896.04
  6. Step 6: Final answer
    x = 62,221.21

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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.