Home / 80,234.89-110,725.70-48,002.69

Finding the Fourth Proportional to 80,234.89, 110,725.70 and 48,002.69

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Solution

The fourth proportional to 80,234.89, 110,725.70 and 48,002.69 is: 66,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,234.89 : 110,725.70 = 48,002.69 : x
  2. Step 2: Convert to fraction form
    80,234.89/110,725.70 = 48,002.69/x
  3. Step 3: Cross multiply
    80,234.89x = 110,725.70 × 48,002.69
  4. Step 4: Simplify right side
    80,234.89x = 5,315,131,488.93
  5. Step 5: Solve for x
    x = 5,315,131,488.93/80,234.89
  6. Step 6: Final answer
    x = 66,244.64

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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.