Home / 80,566.62-111,164.04-48,734.85

Finding the Fourth Proportional to 80,566.62, 111,164.04 and 48,734.85

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Solution

The fourth proportional to 80,566.62, 111,164.04 and 48,734.85 is: 67,243.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,566.62 : 111,164.04 = 48,734.85 : x
  2. Step 2: Convert to fraction form
    80,566.62/111,164.04 = 48,734.85/x
  3. Step 3: Cross multiply
    80,566.62x = 111,164.04 × 48,734.85
  4. Step 4: Simplify right side
    80,566.62x = 5,417,562,814.79
  5. Step 5: Solve for x
    x = 5,417,562,814.79/80,566.62
  6. Step 6: Final answer
    x = 67,243.27

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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.