Home / 120,474.55-180,734.64-48,433.04

Finding the Fourth Proportional to 120,474.55, 180,734.64 and 48,433.04

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Solution

The fourth proportional to 120,474.55, 180,734.64 and 48,433.04 is: 72,658.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,474.55 : 180,734.64 = 48,433.04 : x
  2. Step 2: Convert to fraction form
    120,474.55/180,734.64 = 48,433.04/x
  3. Step 3: Cross multiply
    120,474.55x = 180,734.64 × 48,433.04
  4. Step 4: Simplify right side
    120,474.55x = 8,753,527,640.96
  5. Step 5: Solve for x
    x = 8,753,527,640.96/120,474.55
  6. Step 6: Final answer
    x = 72,658.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.