Home / 83,413.24-125,102.58-30,786.76

Finding the Fourth Proportional to 83,413.24, 125,102.58 and 30,786.76

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Solution

The fourth proportional to 83,413.24, 125,102.58 and 30,786.76 is: 46,173.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,413.24 : 125,102.58 = 30,786.76 : x
  2. Step 2: Convert to fraction form
    83,413.24/125,102.58 = 30,786.76/x
  3. Step 3: Cross multiply
    83,413.24x = 125,102.58 × 30,786.76
  4. Step 4: Simplify right side
    83,413.24x = 3,851,503,105.84
  5. Step 5: Solve for x
    x = 3,851,503,105.84/83,413.24
  6. Step 6: Final answer
    x = 46,173.76

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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.