Home / 69,180.82-103,771.26-53,408.89

Finding the Fourth Proportional to 69,180.82, 103,771.26 and 53,408.89

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Solution

The fourth proportional to 69,180.82, 103,771.26 and 53,408.89 is: 80,113.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,180.82 : 103,771.26 = 53,408.89 : x
  2. Step 2: Convert to fraction form
    69,180.82/103,771.26 = 53,408.89/x
  3. Step 3: Cross multiply
    69,180.82x = 103,771.26 × 53,408.89
  4. Step 4: Simplify right side
    69,180.82x = 5,542,307,810.50
  5. Step 5: Solve for x
    x = 5,542,307,810.50/69,180.82
  6. Step 6: Final answer
    x = 80,113.36

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1.5x scale

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.