Home / 84,217.96-116,722.99-82,643.56

Finding the Fourth Proportional to 84,217.96, 116,722.99 and 82,643.56

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Solution

The fourth proportional to 84,217.96, 116,722.99 and 82,643.56 is: 114,540.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,217.96 : 116,722.99 = 82,643.56 : x
  2. Step 2: Convert to fraction form
    84,217.96/116,722.99 = 82,643.56/x
  3. Step 3: Cross multiply
    84,217.96x = 116,722.99 × 82,643.56
  4. Step 4: Simplify right side
    84,217.96x = 9,646,403,427.44
  5. Step 5: Solve for x
    x = 9,646,403,427.44/84,217.96
  6. Step 6: Final answer
    x = 114,540.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.