Home / 47,872.35-71,841.32-16,707.60

Finding the Fourth Proportional to 47,872.35, 71,841.32 and 16,707.60

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Solution

The fourth proportional to 47,872.35, 71,841.32 and 16,707.60 is: 25,072.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,872.35 : 71,841.32 = 16,707.60 : x
  2. Step 2: Convert to fraction form
    47,872.35/71,841.32 = 16,707.60/x
  3. Step 3: Cross multiply
    47,872.35x = 71,841.32 × 16,707.60
  4. Step 4: Simplify right side
    47,872.35x = 1,200,295,678.83
  5. Step 5: Solve for x
    x = 1,200,295,678.83/47,872.35
  6. Step 6: Final answer
    x = 25,072.84

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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.