Home / 80,352.07-120,550.67-29,750.33

Finding the Fourth Proportional to 80,352.07, 120,550.67 and 29,750.33

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Solution

The fourth proportional to 80,352.07, 120,550.67 and 29,750.33 is: 44,633.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,352.07 : 120,550.67 = 29,750.33 : x
  2. Step 2: Convert to fraction form
    80,352.07/120,550.67 = 29,750.33/x
  3. Step 3: Cross multiply
    80,352.07x = 120,550.67 × 29,750.33
  4. Step 4: Simplify right side
    80,352.07x = 3,586,422,478.41
  5. Step 5: Solve for x
    x = 3,586,422,478.41/80,352.07
  6. Step 6: Final answer
    x = 44,633.85

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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.