Home / 69,271.45-103,907.21-16,680.94

Finding the Fourth Proportional to 69,271.45, 103,907.21 and 16,680.94

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Solution

The fourth proportional to 69,271.45, 103,907.21 and 16,680.94 is: 25,021.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,271.45 : 103,907.21 = 16,680.94 : x
  2. Step 2: Convert to fraction form
    69,271.45/103,907.21 = 16,680.94/x
  3. Step 3: Cross multiply
    69,271.45x = 103,907.21 × 16,680.94
  4. Step 4: Simplify right side
    69,271.45x = 1,733,269,592.40
  5. Step 5: Solve for x
    x = 1,733,269,592.40/69,271.45
  6. Step 6: Final answer
    x = 25,021.41

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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.