Home / 80,018.50-120,033.94-23,854.32

Finding the Fourth Proportional to 80,018.50, 120,033.94 and 23,854.32

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Solution

The fourth proportional to 80,018.50, 120,033.94 and 23,854.32 is: 35,783.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,018.50 : 120,033.94 = 23,854.32 : x
  2. Step 2: Convert to fraction form
    80,018.50/120,033.94 = 23,854.32/x
  3. Step 3: Cross multiply
    80,018.50x = 120,033.94 × 23,854.32
  4. Step 4: Simplify right side
    80,018.50x = 2,863,328,015.62
  5. Step 5: Solve for x
    x = 2,863,328,015.62/80,018.50
  6. Step 6: Final answer
    x = 35,783.33

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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.