Home / 47,400.37-71,100.75-11,861.60

Finding the Fourth Proportional to 47,400.37, 71,100.75 and 11,861.60

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Solution

The fourth proportional to 47,400.37, 71,100.75 and 11,861.60 is: 17,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,400.37 : 71,100.75 = 11,861.60 : x
  2. Step 2: Convert to fraction form
    47,400.37/71,100.75 = 11,861.60/x
  3. Step 3: Cross multiply
    47,400.37x = 71,100.75 × 11,861.60
  4. Step 4: Simplify right side
    47,400.37x = 843,368,300.70
  5. Step 5: Solve for x
    x = 843,368,300.70/47,400.37
  6. Step 6: Final answer
    x = 17,792.44

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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.