Home / 80,300.84-120,453.21-26,993.59

Finding the Fourth Proportional to 80,300.84, 120,453.21 and 26,993.59

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Solution

The fourth proportional to 80,300.84, 120,453.21 and 26,993.59 is: 40,491.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,300.84 : 120,453.21 = 26,993.59 : x
  2. Step 2: Convert to fraction form
    80,300.84/120,453.21 = 26,993.59/x
  3. Step 3: Cross multiply
    80,300.84x = 120,453.21 × 26,993.59
  4. Step 4: Simplify right side
    80,300.84x = 3,251,464,263.79
  5. Step 5: Solve for x
    x = 3,251,464,263.79/80,300.84
  6. Step 6: Final answer
    x = 40,491.04

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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.