Home / 49,420.67-74,138.23-15,675.42

Finding the Fourth Proportional to 49,420.67, 74,138.23 and 15,675.42

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Solution

The fourth proportional to 49,420.67, 74,138.23 and 15,675.42 is: 23,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,420.67 : 74,138.23 = 15,675.42 : x
  2. Step 2: Convert to fraction form
    49,420.67/74,138.23 = 15,675.42/x
  3. Step 3: Cross multiply
    49,420.67x = 74,138.23 × 15,675.42
  4. Step 4: Simplify right side
    49,420.67x = 1,162,148,190.92
  5. Step 5: Solve for x
    x = 1,162,148,190.92/49,420.67
  6. Step 6: Final answer
    x = 23,515.43

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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.