Home / 56,096.87-77,408.30-30,944.75

Finding the Fourth Proportional to 56,096.87, 77,408.30 and 30,944.75

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Solution

The fourth proportional to 56,096.87, 77,408.30 and 30,944.75 is: 42,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,096.87 : 77,408.30 = 30,944.75 : x
  2. Step 2: Convert to fraction form
    56,096.87/77,408.30 = 30,944.75/x
  3. Step 3: Cross multiply
    56,096.87x = 77,408.30 × 30,944.75
  4. Step 4: Simplify right side
    56,096.87x = 2,395,380,336.70
  5. Step 5: Solve for x
    x = 2,395,380,336.70/56,096.87
  6. Step 6: Final answer
    x = 42,700.78

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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.