Home / 65,882.70-90,918.07-35,667.99

Finding the Fourth Proportional to 65,882.70, 90,918.07 and 35,667.99

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Solution

The fourth proportional to 65,882.70, 90,918.07 and 35,667.99 is: 49,221.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,882.70 : 90,918.07 = 35,667.99 : x
  2. Step 2: Convert to fraction form
    65,882.70/90,918.07 = 35,667.99/x
  3. Step 3: Cross multiply
    65,882.70x = 90,918.07 × 35,667.99
  4. Step 4: Simplify right side
    65,882.70x = 3,242,864,722.41
  5. Step 5: Solve for x
    x = 3,242,864,722.41/65,882.70
  6. Step 6: Final answer
    x = 49,221.79

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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.