Home / 91,067.19-125,674.94-50,780.55

Finding the Fourth Proportional to 91,067.19, 125,674.94 and 50,780.55

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Solution

The fourth proportional to 91,067.19, 125,674.94 and 50,780.55 is: 70,078.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,067.19 : 125,674.94 = 50,780.55 : x
  2. Step 2: Convert to fraction form
    91,067.19/125,674.94 = 50,780.55/x
  3. Step 3: Cross multiply
    91,067.19x = 125,674.94 × 50,780.55
  4. Step 4: Simplify right side
    91,067.19x = 6,381,843,172.65
  5. Step 5: Solve for x
    x = 6,381,843,172.65/91,067.19
  6. Step 6: Final answer
    x = 70,078.41

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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.