Home / 80,063.08-120,029.78-33,350.92

Finding the Fourth Proportional to 80,063.08, 120,029.78 and 33,350.92

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Solution

The fourth proportional to 80,063.08, 120,029.78 and 33,350.92 is: 49,999.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,063.08 : 120,029.78 = 33,350.92 : x
  2. Step 2: Convert to fraction form
    80,063.08/120,029.78 = 33,350.92/x
  3. Step 3: Cross multiply
    80,063.08x = 120,029.78 × 33,350.92
  4. Step 4: Simplify right side
    80,063.08x = 4,003,103,590.40
  5. Step 5: Solve for x
    x = 4,003,103,590.40/80,063.08
  6. Step 6: Final answer
    x = 49,999.37

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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.