Home / 65,882.48-90,917.85-35,667.80

Finding the Fourth Proportional to 65,882.48, 90,917.85 and 35,667.80

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Solution

The fourth proportional to 65,882.48, 90,917.85 and 35,667.80 is: 49,221.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,882.48 : 90,917.85 = 35,667.80 : x
  2. Step 2: Convert to fraction form
    65,882.48/90,917.85 = 35,667.80/x
  3. Step 3: Cross multiply
    65,882.48x = 90,917.85 × 35,667.80
  4. Step 4: Simplify right side
    65,882.48x = 3,242,839,917.52
  5. Step 5: Solve for x
    x = 3,242,839,917.52/65,882.48
  6. Step 6: Final answer
    x = 49,221.59

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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.