Home / 67,169.16-100,742.40-22,176.60

Finding the Fourth Proportional to 67,169.16, 100,742.40 and 22,176.60

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Solution

The fourth proportional to 67,169.16, 100,742.40 and 22,176.60 is: 33,261.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,169.16 : 100,742.40 = 22,176.60 : x
  2. Step 2: Convert to fraction form
    67,169.16/100,742.40 = 22,176.60/x
  3. Step 3: Cross multiply
    67,169.16x = 100,742.40 × 22,176.60
  4. Step 4: Simplify right side
    67,169.16x = 2,234,123,907.84
  5. Step 5: Solve for x
    x = 2,234,123,907.84/67,169.16
  6. Step 6: Final answer
    x = 33,261.16

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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.