Home / 80,515.14-120,733.74-33,755.46

Finding the Fourth Proportional to 80,515.14, 120,733.74 and 33,755.46

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Solution

The fourth proportional to 80,515.14, 120,733.74 and 33,755.46 is: 50,616.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,515.14 : 120,733.74 = 33,755.46 : x
  2. Step 2: Convert to fraction form
    80,515.14/120,733.74 = 33,755.46/x
  3. Step 3: Cross multiply
    80,515.14x = 120,733.74 × 33,755.46
  4. Step 4: Simplify right side
    80,515.14x = 4,075,422,931.22
  5. Step 5: Solve for x
    x = 4,075,422,931.22/80,515.14
  6. Step 6: Final answer
    x = 50,616.85

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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.