Home / 77,015.09-115,473.20-32,067.59

Finding the Fourth Proportional to 77,015.09, 115,473.20 and 32,067.59

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Solution

The fourth proportional to 77,015.09, 115,473.20 and 32,067.59 is: 48,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,015.09 : 115,473.20 = 32,067.59 : x
  2. Step 2: Convert to fraction form
    77,015.09/115,473.20 = 32,067.59/x
  3. Step 3: Cross multiply
    77,015.09x = 115,473.20 × 32,067.59
  4. Step 4: Simplify right side
    77,015.09x = 3,702,946,495.88
  5. Step 5: Solve for x
    x = 3,702,946,495.88/77,015.09
  6. Step 6: Final answer
    x = 48,080.79

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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.