Home / 79,056.36-108,965.70-65,584.44

Finding the Fourth Proportional to 79,056.36, 108,965.70 and 65,584.44

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Solution

The fourth proportional to 79,056.36, 108,965.70 and 65,584.44 is: 90,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,056.36 : 108,965.70 = 65,584.44 : x
  2. Step 2: Convert to fraction form
    79,056.36/108,965.70 = 65,584.44/x
  3. Step 3: Cross multiply
    79,056.36x = 108,965.70 × 65,584.44
  4. Step 4: Simplify right side
    79,056.36x = 7,146,454,413.71
  5. Step 5: Solve for x
    x = 7,146,454,413.71/79,056.36
  6. Step 6: Final answer
    x = 90,396.96

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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.