Home / 99,046.45-148,413.61-76,611.97

Finding the Fourth Proportional to 99,046.45, 148,413.61 and 76,611.97

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Solution

The fourth proportional to 99,046.45, 148,413.61 and 76,611.97 is: 114,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,046.45 : 148,413.61 = 76,611.97 : x
  2. Step 2: Convert to fraction form
    99,046.45/148,413.61 = 76,611.97/x
  3. Step 3: Cross multiply
    99,046.45x = 148,413.61 × 76,611.97
  4. Step 4: Simplify right side
    99,046.45x = 11,370,259,036.91
  5. Step 5: Solve for x
    x = 11,370,259,036.91/99,046.45
  6. Step 6: Final answer
    x = 114,797.24

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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.