Home / 104,401.44-144,074.37-56,654.78

Finding the Fourth Proportional to 104,401.44, 144,074.37 and 56,654.78

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Solution

The fourth proportional to 104,401.44, 144,074.37 and 56,654.78 is: 78,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,401.44 : 144,074.37 = 56,654.78 : x
  2. Step 2: Convert to fraction form
    104,401.44/144,074.37 = 56,654.78/x
  3. Step 3: Cross multiply
    104,401.44x = 144,074.37 × 56,654.78
  4. Step 4: Simplify right side
    104,401.44x = 8,162,501,015.62
  5. Step 5: Solve for x
    x = 8,162,501,015.62/104,401.44
  6. Step 6: Final answer
    x = 78,183.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.