Home / 82,876.06-114,338.96-54,212.09

Finding the Fourth Proportional to 82,876.06, 114,338.96 and 54,212.09

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Solution

The fourth proportional to 82,876.06, 114,338.96 and 54,212.09 is: 74,793.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,876.06 : 114,338.96 = 54,212.09 : x
  2. Step 2: Convert to fraction form
    82,876.06/114,338.96 = 54,212.09/x
  3. Step 3: Cross multiply
    82,876.06x = 114,338.96 × 54,212.09
  4. Step 4: Simplify right side
    82,876.06x = 6,198,553,418.33
  5. Step 5: Solve for x
    x = 6,198,553,418.33/82,876.06
  6. Step 6: Final answer
    x = 74,793.05

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1.5x scale

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.