Home / 67,140.91-100,690.74-22,153.96

Finding the Fourth Proportional to 67,140.91, 100,690.74 and 22,153.96

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Solution

The fourth proportional to 67,140.91, 100,690.74 and 22,153.96 is: 33,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,140.91 : 100,690.74 = 22,153.96 : x
  2. Step 2: Convert to fraction form
    67,140.91/100,690.74 = 22,153.96/x
  3. Step 3: Cross multiply
    67,140.91x = 100,690.74 × 22,153.96
  4. Step 4: Simplify right side
    67,140.91x = 2,230,698,626.33
  5. Step 5: Solve for x
    x = 2,230,698,626.33/67,140.91
  6. Step 6: Final answer
    x = 33,224.13

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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.