Home / 47,740.21-71,542.42-35,161.31

Finding the Fourth Proportional to 47,740.21, 71,542.42 and 35,161.31

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Solution

The fourth proportional to 47,740.21, 71,542.42 and 35,161.31 is: 52,691.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,740.21 : 71,542.42 = 35,161.31 : x
  2. Step 2: Convert to fraction form
    47,740.21/71,542.42 = 35,161.31/x
  3. Step 3: Cross multiply
    47,740.21x = 71,542.42 × 35,161.31
  4. Step 4: Simplify right side
    47,740.21x = 2,515,525,031.96
  5. Step 5: Solve for x
    x = 2,515,525,031.96/47,740.21
  6. Step 6: Final answer
    x = 52,691.96

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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.