Home / 82,629.75-114,038.78-49,095.75

Finding the Fourth Proportional to 82,629.75, 114,038.78 and 49,095.75

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Solution

The fourth proportional to 82,629.75, 114,038.78 and 49,095.75 is: 67,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,629.75 : 114,038.78 = 49,095.75 : x
  2. Step 2: Convert to fraction form
    82,629.75/114,038.78 = 49,095.75/x
  3. Step 3: Cross multiply
    82,629.75x = 114,038.78 × 49,095.75
  4. Step 4: Simplify right side
    82,629.75x = 5,598,819,433.19
  5. Step 5: Solve for x
    x = 5,598,819,433.19/82,629.75
  6. Step 6: Final answer
    x = 67,757.91

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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.