Home / 80,549.57-111,158.44-44,742.92

Finding the Fourth Proportional to 80,549.57, 111,158.44 and 44,742.92

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Solution

The fourth proportional to 80,549.57, 111,158.44 and 44,742.92 is: 61,745.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,549.57 : 111,158.44 = 44,742.92 : x
  2. Step 2: Convert to fraction form
    80,549.57/111,158.44 = 44,742.92/x
  3. Step 3: Cross multiply
    80,549.57x = 111,158.44 × 44,742.92
  4. Step 4: Simplify right side
    80,549.57x = 4,973,552,520.60
  5. Step 5: Solve for x
    x = 4,973,552,520.60/80,549.57
  6. Step 6: Final answer
    x = 61,745.24

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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.