Home / 80,531.82-111,137.27-44,722.13

Finding the Fourth Proportional to 80,531.82, 111,137.27 and 44,722.13

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Solution

The fourth proportional to 80,531.82, 111,137.27 and 44,722.13 is: 61,718.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,531.82 : 111,137.27 = 44,722.13 : x
  2. Step 2: Convert to fraction form
    80,531.82/111,137.27 = 44,722.13/x
  3. Step 3: Cross multiply
    80,531.82x = 111,137.27 × 44,722.13
  4. Step 4: Simplify right side
    80,531.82x = 4,970,294,657.49
  5. Step 5: Solve for x
    x = 4,970,294,657.49/80,531.82
  6. Step 6: Final answer
    x = 61,718.39

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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.