Home / 91,262.93-125,939.09-50,976.50

Finding the Fourth Proportional to 91,262.93, 125,939.09 and 50,976.50

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Solution

The fourth proportional to 91,262.93, 125,939.09 and 50,976.50 is: 70,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,262.93 : 125,939.09 = 50,976.50 : x
  2. Step 2: Convert to fraction form
    91,262.93/125,939.09 = 50,976.50/x
  3. Step 3: Cross multiply
    91,262.93x = 125,939.09 × 50,976.50
  4. Step 4: Simplify right side
    91,262.93x = 6,419,933,766.50
  5. Step 5: Solve for x
    x = 6,419,933,766.50/91,262.93
  6. Step 6: Final answer
    x = 70,345.47

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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.