Home / 57,223.26-85,890.78-30,984.12

Finding the Fourth Proportional to 57,223.26, 85,890.78 and 30,984.12

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Solution

The fourth proportional to 57,223.26, 85,890.78 and 30,984.12 is: 46,506.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,223.26 : 85,890.78 = 30,984.12 : x
  2. Step 2: Convert to fraction form
    57,223.26/85,890.78 = 30,984.12/x
  3. Step 3: Cross multiply
    57,223.26x = 85,890.78 × 30,984.12
  4. Step 4: Simplify right side
    57,223.26x = 2,661,250,234.41
  5. Step 5: Solve for x
    x = 2,661,250,234.41/57,223.26
  6. Step 6: Final answer
    x = 46,506.44

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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.