Home / 82,816.12-114,286.78-47,006.73

Finding the Fourth Proportional to 82,816.12, 114,286.78 and 47,006.73

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Solution

The fourth proportional to 82,816.12, 114,286.78 and 47,006.73 is: 64,869.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,816.12 : 114,286.78 = 47,006.73 : x
  2. Step 2: Convert to fraction form
    82,816.12/114,286.78 = 47,006.73/x
  3. Step 3: Cross multiply
    82,816.12x = 114,286.78 × 47,006.73
  4. Step 4: Simplify right side
    82,816.12x = 5,372,247,810.03
  5. Step 5: Solve for x
    x = 5,372,247,810.03/82,816.12
  6. Step 6: Final answer
    x = 64,869.59

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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.