Home / 80,640.94-120,947.77-24,467.51

Finding the Fourth Proportional to 80,640.94, 120,947.77 and 24,467.51

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Solution

The fourth proportional to 80,640.94, 120,947.77 and 24,467.51 is: 36,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,640.94 : 120,947.77 = 24,467.51 : x
  2. Step 2: Convert to fraction form
    80,640.94/120,947.77 = 24,467.51/x
  3. Step 3: Cross multiply
    80,640.94x = 120,947.77 × 24,467.51
  4. Step 4: Simplify right side
    80,640.94x = 2,959,290,771.95
  5. Step 5: Solve for x
    x = 2,959,290,771.95/80,640.94
  6. Step 6: Final answer
    x = 36,697.13

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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.