Home / 57,413.94-86,120.91-31,284.75

Finding the Fourth Proportional to 57,413.94, 86,120.91 and 31,284.75

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Solution

The fourth proportional to 57,413.94, 86,120.91 and 31,284.75 is: 46,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,413.94 : 86,120.91 = 31,284.75 : x
  2. Step 2: Convert to fraction form
    57,413.94/86,120.91 = 31,284.75/x
  3. Step 3: Cross multiply
    57,413.94x = 86,120.91 × 31,284.75
  4. Step 4: Simplify right side
    57,413.94x = 2,694,271,139.12
  5. Step 5: Solve for x
    x = 2,694,271,139.12/57,413.94
  6. Step 6: Final answer
    x = 46,927.13

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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.