Home / 86,183.40-129,222.14-33,531.56

Finding the Fourth Proportional to 86,183.40, 129,222.14 and 33,531.56

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Solution

The fourth proportional to 86,183.40, 129,222.14 and 33,531.56 is: 50,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,183.40 : 129,222.14 = 33,531.56 : x
  2. Step 2: Convert to fraction form
    86,183.40/129,222.14 = 33,531.56/x
  3. Step 3: Cross multiply
    86,183.40x = 129,222.14 × 33,531.56
  4. Step 4: Simplify right side
    86,183.40x = 4,333,019,940.74
  5. Step 5: Solve for x
    x = 4,333,019,940.74/86,183.40
  6. Step 6: Final answer
    x = 50,276.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.