Home / 65,883.37-90,917.95-35,668.45

Finding the Fourth Proportional to 65,883.37, 90,917.95 and 35,668.45

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Solution

The fourth proportional to 65,883.37, 90,917.95 and 35,668.45 is: 49,221.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,883.37 : 90,917.95 = 35,668.45 : x
  2. Step 2: Convert to fraction form
    65,883.37/90,917.95 = 35,668.45/x
  3. Step 3: Cross multiply
    65,883.37x = 90,917.95 × 35,668.45
  4. Step 4: Simplify right side
    65,883.37x = 3,242,901,899.09
  5. Step 5: Solve for x
    x = 3,242,901,899.09/65,883.37
  6. Step 6: Final answer
    x = 49,221.86

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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.