Home / 66,334.26-91,540.71-36,119.55

Finding the Fourth Proportional to 66,334.26, 91,540.71 and 36,119.55

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Solution

The fourth proportional to 66,334.26, 91,540.71 and 36,119.55 is: 49,844.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,334.26 : 91,540.71 = 36,119.55 : x
  2. Step 2: Convert to fraction form
    66,334.26/91,540.71 = 36,119.55/x
  3. Step 3: Cross multiply
    66,334.26x = 91,540.71 × 36,119.55
  4. Step 4: Simplify right side
    66,334.26x = 3,306,409,251.88
  5. Step 5: Solve for x
    x = 3,306,409,251.88/66,334.26
  6. Step 6: Final answer
    x = 49,844.67

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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.