Home / 91,081.78-125,692.62-50,795.58

Finding the Fourth Proportional to 91,081.78, 125,692.62 and 50,795.58

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Solution

The fourth proportional to 91,081.78, 125,692.62 and 50,795.58 is: 70,097.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,081.78 : 125,692.62 = 50,795.58 : x
  2. Step 2: Convert to fraction form
    91,081.78/125,692.62 = 50,795.58/x
  3. Step 3: Cross multiply
    91,081.78x = 125,692.62 × 50,795.58
  4. Step 4: Simplify right side
    91,081.78x = 6,384,629,534.62
  5. Step 5: Solve for x
    x = 6,384,629,534.62/91,081.78
  6. Step 6: Final answer
    x = 70,097.77

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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.