Home / 45,104.56-67,657.12-11,824.34

Finding the Fourth Proportional to 45,104.56, 67,657.12 and 11,824.34

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Solution

The fourth proportional to 45,104.56, 67,657.12 and 11,824.34 is: 17,736.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,104.56 : 67,657.12 = 11,824.34 : x
  2. Step 2: Convert to fraction form
    45,104.56/67,657.12 = 11,824.34/x
  3. Step 3: Cross multiply
    45,104.56x = 67,657.12 × 11,824.34
  4. Step 4: Simplify right side
    45,104.56x = 800,000,790.30
  5. Step 5: Solve for x
    x = 800,000,790.30/45,104.56
  6. Step 6: Final answer
    x = 17,736.58

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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.