Home / 66,245.28-91,396.20-44,987.64

Finding the Fourth Proportional to 66,245.28, 91,396.20 and 44,987.64

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Solution

The fourth proportional to 66,245.28, 91,396.20 and 44,987.64 is: 62,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,245.28 : 91,396.20 = 44,987.64 : x
  2. Step 2: Convert to fraction form
    66,245.28/91,396.20 = 44,987.64/x
  3. Step 3: Cross multiply
    66,245.28x = 91,396.20 × 44,987.64
  4. Step 4: Simplify right side
    66,245.28x = 4,111,699,342.97
  5. Step 5: Solve for x
    x = 4,111,699,342.97/66,245.28
  6. Step 6: Final answer
    x = 62,067.81

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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.