Home / 67,951.45-101,928.23-20,567.06

Finding the Fourth Proportional to 67,951.45, 101,928.23 and 20,567.06

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Solution

The fourth proportional to 67,951.45, 101,928.23 and 20,567.06 is: 30,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,951.45 : 101,928.23 = 20,567.06 : x
  2. Step 2: Convert to fraction form
    67,951.45/101,928.23 = 20,567.06/x
  3. Step 3: Cross multiply
    67,951.45x = 101,928.23 × 20,567.06
  4. Step 4: Simplify right side
    67,951.45x = 2,096,363,563.88
  5. Step 5: Solve for x
    x = 2,096,363,563.88/67,951.45
  6. Step 6: Final answer
    x = 30,850.90

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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.