Home / 49,672.75-74,509.31-47,181.19

Finding the Fourth Proportional to 49,672.75, 74,509.31 and 47,181.19

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Solution

The fourth proportional to 49,672.75, 74,509.31 and 47,181.19 is: 70,771.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,672.75 : 74,509.31 = 47,181.19 : x
  2. Step 2: Convert to fraction form
    49,672.75/74,509.31 = 47,181.19/x
  3. Step 3: Cross multiply
    49,672.75x = 74,509.31 × 47,181.19
  4. Step 4: Simplify right side
    49,672.75x = 3,515,437,675.97
  5. Step 5: Solve for x
    x = 3,515,437,675.97/49,672.75
  6. Step 6: Final answer
    x = 70,771.96

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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.