Home / 80,786.45-111,483.73-44,977.16

Finding the Fourth Proportional to 80,786.45, 111,483.73 and 44,977.16

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Solution

The fourth proportional to 80,786.45, 111,483.73 and 44,977.16 is: 62,067.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,786.45 : 111,483.73 = 44,977.16 : x
  2. Step 2: Convert to fraction form
    80,786.45/111,483.73 = 44,977.16/x
  3. Step 3: Cross multiply
    80,786.45x = 111,483.73 × 44,977.16
  4. Step 4: Simplify right side
    80,786.45x = 5,014,221,561.61
  5. Step 5: Solve for x
    x = 5,014,221,561.61/80,786.45
  6. Step 6: Final answer
    x = 62,067.61

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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.