Home / 66,076.09-91,184.07-35,861.47

Finding the Fourth Proportional to 66,076.09, 91,184.07 and 35,861.47

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Solution

The fourth proportional to 66,076.09, 91,184.07 and 35,861.47 is: 49,488.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,076.09 : 91,184.07 = 35,861.47 : x
  2. Step 2: Convert to fraction form
    66,076.09/91,184.07 = 35,861.47/x
  3. Step 3: Cross multiply
    66,076.09x = 91,184.07 × 35,861.47
  4. Step 4: Simplify right side
    66,076.09x = 3,269,994,790.78
  5. Step 5: Solve for x
    x = 3,269,994,790.78/66,076.09
  6. Step 6: Final answer
    x = 49,488.32

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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.