Home / 49,216.30-73,834.05-21,136.30

Finding the Fourth Proportional to 49,216.30, 73,834.05 and 21,136.30

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Solution

The fourth proportional to 49,216.30, 73,834.05 and 21,136.30 is: 31,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,216.30 : 73,834.05 = 21,136.30 : x
  2. Step 2: Convert to fraction form
    49,216.30/73,834.05 = 21,136.30/x
  3. Step 3: Cross multiply
    49,216.30x = 73,834.05 × 21,136.30
  4. Step 4: Simplify right side
    49,216.30x = 1,560,578,631.02
  5. Step 5: Solve for x
    x = 1,560,578,631.02/49,216.30
  6. Step 6: Final answer
    x = 31,708.57

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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.