Home / 82,827.70-114,223.09-55,665.14

Finding the Fourth Proportional to 82,827.70, 114,223.09 and 55,665.14

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Solution

The fourth proportional to 82,827.70, 114,223.09 and 55,665.14 is: 76,764.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,827.70 : 114,223.09 = 55,665.14 : x
  2. Step 2: Convert to fraction form
    82,827.70/114,223.09 = 55,665.14/x
  3. Step 3: Cross multiply
    82,827.70x = 114,223.09 × 55,665.14
  4. Step 4: Simplify right side
    82,827.70x = 6,358,244,296.08
  5. Step 5: Solve for x
    x = 6,358,244,296.08/82,827.70
  6. Step 6: Final answer
    x = 76,764.71

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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.