Home / 66,319.44-91,519.92-36,105.03

Finding the Fourth Proportional to 66,319.44, 91,519.92 and 36,105.03

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Solution

The fourth proportional to 66,319.44, 91,519.92 and 36,105.03 is: 49,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,319.44 : 91,519.92 = 36,105.03 : x
  2. Step 2: Convert to fraction form
    66,319.44/91,519.92 = 36,105.03/x
  3. Step 3: Cross multiply
    66,319.44x = 91,519.92 × 36,105.03
  4. Step 4: Simplify right side
    66,319.44x = 3,304,329,457.20
  5. Step 5: Solve for x
    x = 3,304,329,457.20/66,319.44
  6. Step 6: Final answer
    x = 49,824.45

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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.