Home / 84,022.62-115,914.78-50,012.03

Finding the Fourth Proportional to 84,022.62, 115,914.78 and 50,012.03

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Solution

The fourth proportional to 84,022.62, 115,914.78 and 50,012.03 is: 68,994.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,022.62 : 115,914.78 = 50,012.03 : x
  2. Step 2: Convert to fraction form
    84,022.62/115,914.78 = 50,012.03/x
  3. Step 3: Cross multiply
    84,022.62x = 115,914.78 × 50,012.03
  4. Step 4: Simplify right side
    84,022.62x = 5,797,133,744.59
  5. Step 5: Solve for x
    x = 5,797,133,744.59/84,022.62
  6. Step 6: Final answer
    x = 68,994.92

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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.