Home / 48,943.20-73,328.40-43,413.60

Finding the Fourth Proportional to 48,943.20, 73,328.40 and 43,413.60

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Solution

The fourth proportional to 48,943.20, 73,328.40 and 43,413.60 is: 65,043.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,943.20 : 73,328.40 = 43,413.60 : x
  2. Step 2: Convert to fraction form
    48,943.20/73,328.40 = 43,413.60/x
  3. Step 3: Cross multiply
    48,943.20x = 73,328.40 × 43,413.60
  4. Step 4: Simplify right side
    48,943.20x = 3,183,449,826.24
  5. Step 5: Solve for x
    x = 3,183,449,826.24/48,943.20
  6. Step 6: Final answer
    x = 65,043.76

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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.