Home / 80,845.82-111,559.99-45,035.06

Finding the Fourth Proportional to 80,845.82, 111,559.99 and 45,035.06

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Solution

The fourth proportional to 80,845.82, 111,559.99 and 45,035.06 is: 62,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,845.82 : 111,559.99 = 45,035.06 : x
  2. Step 2: Convert to fraction form
    80,845.82/111,559.99 = 45,035.06/x
  3. Step 3: Cross multiply
    80,845.82x = 111,559.99 × 45,035.06
  4. Step 4: Simplify right side
    80,845.82x = 5,024,110,843.25
  5. Step 5: Solve for x
    x = 5,024,110,843.25/80,845.82
  6. Step 6: Final answer
    x = 62,144.35

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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.