Home / 73,745.40-110,609.58-20,441.34

Finding the Fourth Proportional to 73,745.40, 110,609.58 and 20,441.34

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Solution

The fourth proportional to 73,745.40, 110,609.58 and 20,441.34 is: 30,659.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,745.40 : 110,609.58 = 20,441.34 : x
  2. Step 2: Convert to fraction form
    73,745.40/110,609.58 = 20,441.34/x
  3. Step 3: Cross multiply
    73,745.40x = 110,609.58 × 20,441.34
  4. Step 4: Simplify right side
    73,745.40x = 2,261,008,032.04
  5. Step 5: Solve for x
    x = 2,261,008,032.04/73,745.40
  6. Step 6: Final answer
    x = 30,659.65

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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.