Home / 47,997.80-71,996.70-35,556.20

Finding the Fourth Proportional to 47,997.80, 71,996.70 and 35,556.20

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Solution

The fourth proportional to 47,997.80, 71,996.70 and 35,556.20 is: 53,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,997.80 : 71,996.70 = 35,556.20 : x
  2. Step 2: Convert to fraction form
    47,997.80/71,996.70 = 35,556.20/x
  3. Step 3: Cross multiply
    47,997.80x = 71,996.70 × 35,556.20
  4. Step 4: Simplify right side
    47,997.80x = 2,559,929,064.54
  5. Step 5: Solve for x
    x = 2,559,929,064.54/47,997.80
  6. Step 6: Final answer
    x = 53,334.30

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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.