Home / 76,183.96-113,471.55-72,183.14

Finding the Fourth Proportional to 76,183.96, 113,471.55 and 72,183.14

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Solution

The fourth proportional to 76,183.96, 113,471.55 and 72,183.14 is: 107,512.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,183.96 : 113,471.55 = 72,183.14 : x
  2. Step 2: Convert to fraction form
    76,183.96/113,471.55 = 72,183.14/x
  3. Step 3: Cross multiply
    76,183.96x = 113,471.55 × 72,183.14
  4. Step 4: Simplify right side
    76,183.96x = 8,190,732,779.67
  5. Step 5: Solve for x
    x = 8,190,732,779.67/76,183.96
  6. Step 6: Final answer
    x = 107,512.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.