Home / 45,120.33-67,659.44-17,018.73

Finding the Fourth Proportional to 45,120.33, 67,659.44 and 17,018.73

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Solution

The fourth proportional to 45,120.33, 67,659.44 and 17,018.73 is: 25,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,120.33 : 67,659.44 = 17,018.73 : x
  2. Step 2: Convert to fraction form
    45,120.33/67,659.44 = 17,018.73/x
  3. Step 3: Cross multiply
    45,120.33x = 67,659.44 × 17,018.73
  4. Step 4: Simplify right side
    45,120.33x = 1,151,477,656.22
  5. Step 5: Solve for x
    x = 1,151,477,656.22/45,120.33
  6. Step 6: Final answer
    x = 25,520.15

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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.