Home / 81,413.24-122,137.39-25,252.22

Finding the Fourth Proportional to 81,413.24, 122,137.39 and 25,252.22

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Solution

The fourth proportional to 81,413.24, 122,137.39 and 25,252.22 is: 37,883.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,413.24 : 122,137.39 = 25,252.22 : x
  2. Step 2: Convert to fraction form
    81,413.24/122,137.39 = 25,252.22/x
  3. Step 3: Cross multiply
    81,413.24x = 122,137.39 × 25,252.22
  4. Step 4: Simplify right side
    81,413.24x = 3,084,240,242.51
  5. Step 5: Solve for x
    x = 3,084,240,242.51/81,413.24
  6. Step 6: Final answer
    x = 37,883.77

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1.5x scale

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.