Home / 91,261.62-125,940.83-50,975.46

Finding the Fourth Proportional to 91,261.62, 125,940.83 and 50,975.46

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Solution

The fourth proportional to 91,261.62, 125,940.83 and 50,975.46 is: 70,346.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,261.62 : 125,940.83 = 50,975.46 : x
  2. Step 2: Convert to fraction form
    91,261.62/125,940.83 = 50,975.46/x
  3. Step 3: Cross multiply
    91,261.62x = 125,940.83 × 50,975.46
  4. Step 4: Simplify right side
    91,261.62x = 6,419,891,487.15
  5. Step 5: Solve for x
    x = 6,419,891,487.15/91,261.62
  6. Step 6: Final answer
    x = 70,346.02

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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.