Home / 80,589.47-111,208.58-44,778.26

Finding the Fourth Proportional to 80,589.47, 111,208.58 and 44,778.26

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Solution

The fourth proportional to 80,589.47, 111,208.58 and 44,778.26 is: 61,791.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,589.47 : 111,208.58 = 44,778.26 : x
  2. Step 2: Convert to fraction form
    80,589.47/111,208.58 = 44,778.26/x
  3. Step 3: Cross multiply
    80,589.47x = 111,208.58 × 44,778.26
  4. Step 4: Simplify right side
    80,589.47x = 4,979,726,543.39
  5. Step 5: Solve for x
    x = 4,979,726,543.39/80,589.47
  6. Step 6: Final answer
    x = 61,791.28

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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.