Home / 109,994.40-165,012.12-50,790.96

Finding the Fourth Proportional to 109,994.40, 165,012.12 and 50,790.96

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Solution

The fourth proportional to 109,994.40, 165,012.12 and 50,790.96 is: 76,195.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,994.40 : 165,012.12 = 50,790.96 : x
  2. Step 2: Convert to fraction form
    109,994.40/165,012.12 = 50,790.96/x
  3. Step 3: Cross multiply
    109,994.40x = 165,012.12 × 50,790.96
  4. Step 4: Simplify right side
    109,994.40x = 8,381,123,986.44
  5. Step 5: Solve for x
    x = 8,381,123,986.44/109,994.40
  6. Step 6: Final answer
    x = 76,195.92

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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.