Home / 69,022.75-103,536.43-19,098.67

Finding the Fourth Proportional to 69,022.75, 103,536.43 and 19,098.67

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Solution

The fourth proportional to 69,022.75, 103,536.43 and 19,098.67 is: 28,648.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,022.75 : 103,536.43 = 19,098.67 : x
  2. Step 2: Convert to fraction form
    69,022.75/103,536.43 = 19,098.67/x
  3. Step 3: Cross multiply
    69,022.75x = 103,536.43 × 19,098.67
  4. Step 4: Simplify right side
    69,022.75x = 1,977,408,109.55
  5. Step 5: Solve for x
    x = 1,977,408,109.55/69,022.75
  6. Step 6: Final answer
    x = 28,648.64

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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.