Home / 87,300.44-120,474.60-49,574.69

Finding the Fourth Proportional to 87,300.44, 120,474.60 and 49,574.69

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Solution

The fourth proportional to 87,300.44, 120,474.60 and 49,574.69 is: 68,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,300.44 : 120,474.60 = 49,574.69 : x
  2. Step 2: Convert to fraction form
    87,300.44/120,474.60 = 49,574.69/x
  3. Step 3: Cross multiply
    87,300.44x = 120,474.60 × 49,574.69
  4. Step 4: Simplify right side
    87,300.44x = 5,972,490,947.87
  5. Step 5: Solve for x
    x = 5,972,490,947.87/87,300.44
  6. Step 6: Final answer
    x = 68,413.07

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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.