Home / 91,262.20-125,940.49-50,976.53

Finding the Fourth Proportional to 91,262.20, 125,940.49 and 50,976.53

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Solution

The fourth proportional to 91,262.20, 125,940.49 and 50,976.53 is: 70,346.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,262.20 : 125,940.49 = 50,976.53 : x
  2. Step 2: Convert to fraction form
    91,262.20/125,940.49 = 50,976.53/x
  3. Step 3: Cross multiply
    91,262.20x = 125,940.49 × 50,976.53
  4. Step 4: Simplify right side
    91,262.20x = 6,420,009,166.70
  5. Step 5: Solve for x
    x = 6,420,009,166.70/91,262.20
  6. Step 6: Final answer
    x = 70,346.86

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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.