Home / 80,549.08-111,157.74-44,742.42

Finding the Fourth Proportional to 80,549.08, 111,157.74 and 44,742.42

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Solution

The fourth proportional to 80,549.08, 111,157.74 and 44,742.42 is: 61,744.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,549.08 : 111,157.74 = 44,742.42 : x
  2. Step 2: Convert to fraction form
    80,549.08/111,157.74 = 44,742.42/x
  3. Step 3: Cross multiply
    80,549.08x = 111,157.74 × 44,742.42
  4. Step 4: Simplify right side
    80,549.08x = 4,973,466,289.33
  5. Step 5: Solve for x
    x = 4,973,466,289.33/80,549.08
  6. Step 6: Final answer
    x = 61,744.54

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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.