Home / 67,223.45-100,558.14-55,242.33

Finding the Fourth Proportional to 67,223.45, 100,558.14 and 55,242.33

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Solution

The fourth proportional to 67,223.45, 100,558.14 and 55,242.33 is: 82,635.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,223.45 : 100,558.14 = 55,242.33 : x
  2. Step 2: Convert to fraction form
    67,223.45/100,558.14 = 55,242.33/x
  3. Step 3: Cross multiply
    67,223.45x = 100,558.14 × 55,242.33
  4. Step 4: Simplify right side
    67,223.45x = 5,555,065,954.07
  5. Step 5: Solve for x
    x = 5,555,065,954.07/67,223.45
  6. Step 6: Final answer
    x = 82,635.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.