Home / 47,819.09-71,731.19-14,536.60

Finding the Fourth Proportional to 47,819.09, 71,731.19 and 14,536.60

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Solution

The fourth proportional to 47,819.09, 71,731.19 and 14,536.60 is: 21,805.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,819.09 : 71,731.19 = 14,536.60 : x
  2. Step 2: Convert to fraction form
    47,819.09/71,731.19 = 14,536.60/x
  3. Step 3: Cross multiply
    47,819.09x = 71,731.19 × 14,536.60
  4. Step 4: Simplify right side
    47,819.09x = 1,042,727,185.22
  5. Step 5: Solve for x
    x = 1,042,727,185.22/47,819.09
  6. Step 6: Final answer
    x = 21,805.67

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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.