Home / 48,942.10-73,413.15-40,638.70

Finding the Fourth Proportional to 48,942.10, 73,413.15 and 40,638.70

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Solution

The fourth proportional to 48,942.10, 73,413.15 and 40,638.70 is: 60,958.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,942.10 : 73,413.15 = 40,638.70 : x
  2. Step 2: Convert to fraction form
    48,942.10/73,413.15 = 40,638.70/x
  3. Step 3: Cross multiply
    48,942.10x = 73,413.15 × 40,638.70
  4. Step 4: Simplify right side
    48,942.10x = 2,983,414,978.91
  5. Step 5: Solve for x
    x = 2,983,414,978.91/48,942.10
  6. Step 6: Final answer
    x = 60,958.05

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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.