Home / 86,405.45-119,198.77-50,573.27

Finding the Fourth Proportional to 86,405.45, 119,198.77 and 50,573.27

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Solution

The fourth proportional to 86,405.45, 119,198.77 and 50,573.27 is: 69,767.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,405.45 : 119,198.77 = 50,573.27 : x
  2. Step 2: Convert to fraction form
    86,405.45/119,198.77 = 50,573.27/x
  3. Step 3: Cross multiply
    86,405.45x = 119,198.77 × 50,573.27
  4. Step 4: Simplify right side
    86,405.45x = 6,028,271,578.88
  5. Step 5: Solve for x
    x = 6,028,271,578.88/86,405.45
  6. Step 6: Final answer
    x = 69,767.26

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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.