Home / 82,012.93-113,186.21-50,202.85

Finding the Fourth Proportional to 82,012.93, 113,186.21 and 50,202.85

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Solution

The fourth proportional to 82,012.93, 113,186.21 and 50,202.85 is: 69,285.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,012.93 : 113,186.21 = 50,202.85 : x
  2. Step 2: Convert to fraction form
    82,012.93/113,186.21 = 50,202.85/x
  3. Step 3: Cross multiply
    82,012.93x = 113,186.21 × 50,202.85
  4. Step 4: Simplify right side
    82,012.93x = 5,682,270,322.70
  5. Step 5: Solve for x
    x = 5,682,270,322.70/82,012.93
  6. Step 6: Final answer
    x = 69,285.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.