Home / 101,120.47-151,680.77-41,940.25

Finding the Fourth Proportional to 101,120.47, 151,680.77 and 41,940.25

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Solution

The fourth proportional to 101,120.47, 151,680.77 and 41,940.25 is: 62,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,120.47 : 151,680.77 = 41,940.25 : x
  2. Step 2: Convert to fraction form
    101,120.47/151,680.77 = 41,940.25/x
  3. Step 3: Cross multiply
    101,120.47x = 151,680.77 × 41,940.25
  4. Step 4: Simplify right side
    101,120.47x = 6,361,529,413.99
  5. Step 5: Solve for x
    x = 6,361,529,413.99/101,120.47
  6. Step 6: Final answer
    x = 62,910.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.