Home / 82,245.24-123,340.05-37,847.79

Finding the Fourth Proportional to 82,245.24, 123,340.05 and 37,847.79

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Solution

The fourth proportional to 82,245.24, 123,340.05 and 37,847.79 is: 56,758.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,245.24 : 123,340.05 = 37,847.79 : x
  2. Step 2: Convert to fraction form
    82,245.24/123,340.05 = 37,847.79/x
  3. Step 3: Cross multiply
    82,245.24x = 123,340.05 × 37,847.79
  4. Step 4: Simplify right side
    82,245.24x = 4,668,148,310.99
  5. Step 5: Solve for x
    x = 4,668,148,310.99/82,245.24
  6. Step 6: Final answer
    x = 56,758.89

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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.