Home / 81,063.14-111,869.01-50,849.73

Finding the Fourth Proportional to 81,063.14, 111,869.01 and 50,849.73

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Solution

The fourth proportional to 81,063.14, 111,869.01 and 50,849.73 is: 70,173.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,063.14 : 111,869.01 = 50,849.73 : x
  2. Step 2: Convert to fraction form
    81,063.14/111,869.01 = 50,849.73/x
  3. Step 3: Cross multiply
    81,063.14x = 111,869.01 × 50,849.73
  4. Step 4: Simplify right side
    81,063.14x = 5,688,508,953.87
  5. Step 5: Solve for x
    x = 5,688,508,953.87/81,063.14
  6. Step 6: Final answer
    x = 70,173.81

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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.