Home / 65,839.37-90,857.66-35,624.03

Finding the Fourth Proportional to 65,839.37, 90,857.66 and 35,624.03

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Solution

The fourth proportional to 65,839.37, 90,857.66 and 35,624.03 is: 49,160.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,839.37 : 90,857.66 = 35,624.03 : x
  2. Step 2: Convert to fraction form
    65,839.37/90,857.66 = 35,624.03/x
  3. Step 3: Cross multiply
    65,839.37x = 90,857.66 × 35,624.03
  4. Step 4: Simplify right side
    65,839.37x = 3,236,715,373.16
  5. Step 5: Solve for x
    x = 3,236,715,373.16/65,839.37
  6. Step 6: Final answer
    x = 49,160.79

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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.