Home / 67,760.20-101,640.30-44,140.60

Finding the Fourth Proportional to 67,760.20, 101,640.30 and 44,140.60

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Solution

The fourth proportional to 67,760.20, 101,640.30 and 44,140.60 is: 66,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,760.20 : 101,640.30 = 44,140.60 : x
  2. Step 2: Convert to fraction form
    67,760.20/101,640.30 = 44,140.60/x
  3. Step 3: Cross multiply
    67,760.20x = 101,640.30 × 44,140.60
  4. Step 4: Simplify right side
    67,760.20x = 4,486,463,826.18
  5. Step 5: Solve for x
    x = 4,486,463,826.18/67,760.20
  6. Step 6: Final answer
    x = 66,210.90

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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.