Home / 89,550.45-134,413.70-68,292.81

Finding the Fourth Proportional to 89,550.45, 134,413.70 and 68,292.81

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Solution

The fourth proportional to 89,550.45, 134,413.70 and 68,292.81 is: 102,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,550.45 : 134,413.70 = 68,292.81 : x
  2. Step 2: Convert to fraction form
    89,550.45/134,413.70 = 68,292.81/x
  3. Step 3: Cross multiply
    89,550.45x = 134,413.70 × 68,292.81
  4. Step 4: Simplify right side
    89,550.45x = 9,179,488,934.03
  5. Step 5: Solve for x
    x = 9,179,488,934.03/89,550.45
  6. Step 6: Final answer
    x = 102,506.34

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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.