Home / 66,416.26-91,653.24-38,119.72

Finding the Fourth Proportional to 66,416.26, 91,653.24 and 38,119.72

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Solution

The fourth proportional to 66,416.26, 91,653.24 and 38,119.72 is: 52,604.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,416.26 : 91,653.24 = 38,119.72 : x
  2. Step 2: Convert to fraction form
    66,416.26/91,653.24 = 38,119.72/x
  3. Step 3: Cross multiply
    66,416.26x = 91,653.24 × 38,119.72
  4. Step 4: Simplify right side
    66,416.26x = 3,493,795,845.89
  5. Step 5: Solve for x
    x = 3,493,795,845.89/66,416.26
  6. Step 6: Final answer
    x = 52,604.53

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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.