Home / 45,176.55-67,759.70-11,899.22

Finding the Fourth Proportional to 45,176.55, 67,759.70 and 11,899.22

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Solution

The fourth proportional to 45,176.55, 67,759.70 and 11,899.22 is: 17,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,176.55 : 67,759.70 = 11,899.22 : x
  2. Step 2: Convert to fraction form
    45,176.55/67,759.70 = 11,899.22/x
  3. Step 3: Cross multiply
    45,176.55x = 67,759.70 × 11,899.22
  4. Step 4: Simplify right side
    45,176.55x = 806,287,577.43
  5. Step 5: Solve for x
    x = 806,287,577.43/45,176.55
  6. Step 6: Final answer
    x = 17,847.48

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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.