Home / 65,997.07-91,076.25-35,782.36

Finding the Fourth Proportional to 65,997.07, 91,076.25 and 35,782.36

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Solution

The fourth proportional to 65,997.07, 91,076.25 and 35,782.36 is: 49,379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,997.07 : 91,076.25 = 35,782.36 : x
  2. Step 2: Convert to fraction form
    65,997.07/91,076.25 = 35,782.36/x
  3. Step 3: Cross multiply
    65,997.07x = 91,076.25 × 35,782.36
  4. Step 4: Simplify right side
    65,997.07x = 3,258,923,164.95
  5. Step 5: Solve for x
    x = 3,258,923,164.95/65,997.07
  6. Step 6: Final answer
    x = 49,379.82

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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.