Home / 82,741.17-114,183.32-45,015.69

Finding the Fourth Proportional to 82,741.17, 114,183.32 and 45,015.69

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Solution

The fourth proportional to 82,741.17, 114,183.32 and 45,015.69 is: 62,121.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,741.17 : 114,183.32 = 45,015.69 : x
  2. Step 2: Convert to fraction form
    82,741.17/114,183.32 = 45,015.69/x
  3. Step 3: Cross multiply
    82,741.17x = 114,183.32 × 45,015.69
  4. Step 4: Simplify right side
    82,741.17x = 5,140,040,936.29
  5. Step 5: Solve for x
    x = 5,140,040,936.29/82,741.17
  6. Step 6: Final answer
    x = 62,121.93

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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.