Home / 84,722.82-116,922.36-51,199.62

Finding the Fourth Proportional to 84,722.82, 116,922.36 and 51,199.62

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Solution

The fourth proportional to 84,722.82, 116,922.36 and 51,199.62 is: 70,658.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,722.82 : 116,922.36 = 51,199.62 : x
  2. Step 2: Convert to fraction form
    84,722.82/116,922.36 = 51,199.62/x
  3. Step 3: Cross multiply
    84,722.82x = 116,922.36 × 51,199.62
  4. Step 4: Simplify right side
    84,722.82x = 5,986,380,401.50
  5. Step 5: Solve for x
    x = 5,986,380,401.50/84,722.82
  6. Step 6: Final answer
    x = 70,658.42

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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.