Home / 82,629.44-113,991.96-49,076

Finding the Fourth Proportional to 82,629.44, 113,991.96 and 49,076

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Solution

The fourth proportional to 82,629.44, 113,991.96 and 49,076 is: 67,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,629.44 : 113,991.96 = 49,076 : x
  2. Step 2: Convert to fraction form
    82,629.44/113,991.96 = 49,076/x
  3. Step 3: Cross multiply
    82,629.44x = 113,991.96 × 49,076
  4. Step 4: Simplify right side
    82,629.44x = 5,594,269,428.96
  5. Step 5: Solve for x
    x = 5,594,269,428.96/82,629.44
  6. Step 6: Final answer
    x = 67,703.10

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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.