Home / 82,580.24-113,977.32-49,039.76

Finding the Fourth Proportional to 82,580.24, 113,977.32 and 49,039.76

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Solution

The fourth proportional to 82,580.24, 113,977.32 and 49,039.76 is: 67,684.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,580.24 : 113,977.32 = 49,039.76 : x
  2. Step 2: Convert to fraction form
    82,580.24/113,977.32 = 49,039.76/x
  3. Step 3: Cross multiply
    82,580.24x = 113,977.32 × 49,039.76
  4. Step 4: Simplify right side
    82,580.24x = 5,589,420,418.24
  5. Step 5: Solve for x
    x = 5,589,420,418.24/82,580.24
  6. Step 6: Final answer
    x = 67,684.72

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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.