Home / 82,876.78-114,339.96-54,212.81

Finding the Fourth Proportional to 82,876.78, 114,339.96 and 54,212.81

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Solution

The fourth proportional to 82,876.78, 114,339.96 and 54,212.81 is: 74,794.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,876.78 : 114,339.96 = 54,212.81 : x
  2. Step 2: Convert to fraction form
    82,876.78/114,339.96 = 54,212.81/x
  3. Step 3: Cross multiply
    82,876.78x = 114,339.96 × 54,212.81
  4. Step 4: Simplify right side
    82,876.78x = 6,198,690,526.89
  5. Step 5: Solve for x
    x = 6,198,690,526.89/82,876.78
  6. Step 6: Final answer
    x = 74,794.06

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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.