Home / 75,919.32-113,884.47-29,172.21

Finding the Fourth Proportional to 75,919.32, 113,884.47 and 29,172.21

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Solution

The fourth proportional to 75,919.32, 113,884.47 and 29,172.21 is: 43,760.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,919.32 : 113,884.47 = 29,172.21 : x
  2. Step 2: Convert to fraction form
    75,919.32/113,884.47 = 29,172.21/x
  3. Step 3: Cross multiply
    75,919.32x = 113,884.47 × 29,172.21
  4. Step 4: Simplify right side
    75,919.32x = 3,322,261,674.58
  5. Step 5: Solve for x
    x = 3,322,261,674.58/75,919.32
  6. Step 6: Final answer
    x = 43,760.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.