Home / 67,172.10-100,759.51-22,798.78

Finding the Fourth Proportional to 67,172.10, 100,759.51 and 22,798.78

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Solution

The fourth proportional to 67,172.10, 100,759.51 and 22,798.78 is: 34,198.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,172.10 : 100,759.51 = 22,798.78 : x
  2. Step 2: Convert to fraction form
    67,172.10/100,759.51 = 22,798.78/x
  3. Step 3: Cross multiply
    67,172.10x = 100,759.51 × 22,798.78
  4. Step 4: Simplify right side
    67,172.10x = 2,297,193,678.00
  5. Step 5: Solve for x
    x = 2,297,193,678.00/67,172.10
  6. Step 6: Final answer
    x = 34,198.63

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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.