Home / 80,314.42-120,391.41-53,682.83

Finding the Fourth Proportional to 80,314.42, 120,391.41 and 53,682.83

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Solution

The fourth proportional to 80,314.42, 120,391.41 and 53,682.83 is: 80,470.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,314.42 : 120,391.41 = 53,682.83 : x
  2. Step 2: Convert to fraction form
    80,314.42/120,391.41 = 53,682.83/x
  3. Step 3: Cross multiply
    80,314.42x = 120,391.41 × 53,682.83
  4. Step 4: Simplify right side
    80,314.42x = 6,462,951,596.49
  5. Step 5: Solve for x
    x = 6,462,951,596.49/80,314.42
  6. Step 6: Final answer
    x = 80,470.63

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1.5x scale

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.