Home / 105,735.41-145,913.50-60,413.05

Finding the Fourth Proportional to 105,735.41, 145,913.50 and 60,413.05

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Solution

The fourth proportional to 105,735.41, 145,913.50 and 60,413.05 is: 83,369.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,735.41 : 145,913.50 = 60,413.05 : x
  2. Step 2: Convert to fraction form
    105,735.41/145,913.50 = 60,413.05/x
  3. Step 3: Cross multiply
    105,735.41x = 145,913.50 × 60,413.05
  4. Step 4: Simplify right side
    105,735.41x = 8,815,079,571.18
  5. Step 5: Solve for x
    x = 8,815,079,571.18/105,735.41
  6. Step 6: Final answer
    x = 83,369.23

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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.