Home / 105,413.24-158,171.80-49,257.23

Finding the Fourth Proportional to 105,413.24, 158,171.80 and 49,257.23

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Solution

The fourth proportional to 105,413.24, 158,171.80 and 49,257.23 is: 73,910.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,413.24 : 158,171.80 = 49,257.23 : x
  2. Step 2: Convert to fraction form
    105,413.24/158,171.80 = 49,257.23/x
  3. Step 3: Cross multiply
    105,413.24x = 158,171.80 × 49,257.23
  4. Step 4: Simplify right side
    105,413.24x = 7,791,104,595.97
  5. Step 5: Solve for x
    x = 7,791,104,595.97/105,413.24
  6. Step 6: Final answer
    x = 73,910.11

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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.