Home / 80,551.11-111,157.44-44,743.41

Finding the Fourth Proportional to 80,551.11, 111,157.44 and 44,743.41

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Solution

The fourth proportional to 80,551.11, 111,157.44 and 44,743.41 is: 61,744.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,551.11 : 111,157.44 = 44,743.41 : x
  2. Step 2: Convert to fraction form
    80,551.11/111,157.44 = 44,743.41/x
  3. Step 3: Cross multiply
    80,551.11x = 111,157.44 × 44,743.41
  4. Step 4: Simplify right side
    80,551.11x = 4,973,562,912.47
  5. Step 5: Solve for x
    x = 4,973,562,912.47/80,551.11
  6. Step 6: Final answer
    x = 61,744.19

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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.