Home / 82,815.87-114,286.43-47,006.48

Finding the Fourth Proportional to 82,815.87, 114,286.43 and 47,006.48

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Solution

The fourth proportional to 82,815.87, 114,286.43 and 47,006.48 is: 64,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,815.87 : 114,286.43 = 47,006.48 : x
  2. Step 2: Convert to fraction form
    82,815.87/114,286.43 = 47,006.48/x
  3. Step 3: Cross multiply
    82,815.87x = 114,286.43 × 47,006.48
  4. Step 4: Simplify right side
    82,815.87x = 5,372,203,189.30
  5. Step 5: Solve for x
    x = 5,372,203,189.30/82,815.87
  6. Step 6: Final answer
    x = 64,869.25

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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.