Home / 62,911.68-94,361.04-20,790.24

Finding the Fourth Proportional to 62,911.68, 94,361.04 and 20,790.24

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Solution

The fourth proportional to 62,911.68, 94,361.04 and 20,790.24 is: 31,183.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,911.68 : 94,361.04 = 20,790.24 : x
  2. Step 2: Convert to fraction form
    62,911.68/94,361.04 = 20,790.24/x
  3. Step 3: Cross multiply
    62,911.68x = 94,361.04 × 20,790.24
  4. Step 4: Simplify right side
    62,911.68x = 1,961,788,668.25
  5. Step 5: Solve for x
    x = 1,961,788,668.25/62,911.68
  6. Step 6: Final answer
    x = 31,183.22

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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.