Home / 66,004.20-91,090.97-55,738.67

Finding the Fourth Proportional to 66,004.20, 91,090.97 and 55,738.67

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Solution

The fourth proportional to 66,004.20, 91,090.97 and 55,738.67 is: 76,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,004.20 : 91,090.97 = 55,738.67 : x
  2. Step 2: Convert to fraction form
    66,004.20/91,090.97 = 55,738.67/x
  3. Step 3: Cross multiply
    66,004.20x = 91,090.97 × 55,738.67
  4. Step 4: Simplify right side
    66,004.20x = 5,077,289,200.70
  5. Step 5: Solve for x
    x = 5,077,289,200.70/66,004.20
  6. Step 6: Final answer
    x = 76,923.73

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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.