Home / 88,705.26-122,413.14-66,063.60

Finding the Fourth Proportional to 88,705.26, 122,413.14 and 66,063.60

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Solution

The fourth proportional to 88,705.26, 122,413.14 and 66,063.60 is: 91,167.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,705.26 : 122,413.14 = 66,063.60 : x
  2. Step 2: Convert to fraction form
    88,705.26/122,413.14 = 66,063.60/x
  3. Step 3: Cross multiply
    88,705.26x = 122,413.14 × 66,063.60
  4. Step 4: Simplify right side
    88,705.26x = 8,087,052,715.70
  5. Step 5: Solve for x
    x = 8,087,052,715.70/88,705.26
  6. Step 6: Final answer
    x = 91,167.68

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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.