Home / 80,516.62-111,095.04-48,684.84

Finding the Fourth Proportional to 80,516.62, 111,095.04 and 48,684.84

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Solution

The fourth proportional to 80,516.62, 111,095.04 and 48,684.84 is: 67,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,516.62 : 111,095.04 = 48,684.84 : x
  2. Step 2: Convert to fraction form
    80,516.62/111,095.04 = 48,684.84/x
  3. Step 3: Cross multiply
    80,516.62x = 111,095.04 × 48,684.84
  4. Step 4: Simplify right side
    80,516.62x = 5,408,644,247.19
  5. Step 5: Solve for x
    x = 5,408,644,247.19/80,516.62
  6. Step 6: Final answer
    x = 67,174.26

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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.