Home / 35,413.75-53,120.63-10,789.75

Finding the Fourth Proportional to 35,413.75, 53,120.63 and 10,789.75

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Solution

The fourth proportional to 35,413.75, 53,120.63 and 10,789.75 is: 16,184.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,413.75 : 53,120.63 = 10,789.75 : x
  2. Step 2: Convert to fraction form
    35,413.75/53,120.63 = 10,789.75/x
  3. Step 3: Cross multiply
    35,413.75x = 53,120.63 × 10,789.75
  4. Step 4: Simplify right side
    35,413.75x = 573,158,317.54
  5. Step 5: Solve for x
    x = 573,158,317.54/35,413.75
  6. Step 6: Final answer
    x = 16,184.63

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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.