Home / 49,295.16-73,942.69-11,855.21

Finding the Fourth Proportional to 49,295.16, 73,942.69 and 11,855.21

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Solution

The fourth proportional to 49,295.16, 73,942.69 and 11,855.21 is: 17,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,295.16 : 73,942.69 = 11,855.21 : x
  2. Step 2: Convert to fraction form
    49,295.16/73,942.69 = 11,855.21/x
  3. Step 3: Cross multiply
    49,295.16x = 73,942.69 × 11,855.21
  4. Step 4: Simplify right side
    49,295.16x = 876,605,688.93
  5. Step 5: Solve for x
    x = 876,605,688.93/49,295.16
  6. Step 6: Final answer
    x = 17,782.79

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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.