Home / 65,882.37-90,918.38-35,668.33

Finding the Fourth Proportional to 65,882.37, 90,918.38 and 35,668.33

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Solution

The fourth proportional to 65,882.37, 90,918.38 and 35,668.33 is: 49,222.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,882.37 : 90,918.38 = 35,668.33 : x
  2. Step 2: Convert to fraction form
    65,882.37/90,918.38 = 35,668.33/x
  3. Step 3: Cross multiply
    65,882.37x = 90,918.38 × 35,668.33
  4. Step 4: Simplify right side
    65,882.37x = 3,242,906,642.78
  5. Step 5: Solve for x
    x = 3,242,906,642.78/65,882.37
  6. Step 6: Final answer
    x = 49,222.68

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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.