Home / 78,794.57-118,213.73-33,222.35

Finding the Fourth Proportional to 78,794.57, 118,213.73 and 33,222.35

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Solution

The fourth proportional to 78,794.57, 118,213.73 and 33,222.35 is: 49,842.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,794.57 : 118,213.73 = 33,222.35 : x
  2. Step 2: Convert to fraction form
    78,794.57/118,213.73 = 33,222.35/x
  3. Step 3: Cross multiply
    78,794.57x = 118,213.73 × 33,222.35
  4. Step 4: Simplify right side
    78,794.57x = 3,927,337,912.87
  5. Step 5: Solve for x
    x = 3,927,337,912.87/78,794.57
  6. Step 6: Final answer
    x = 49,842.75

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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.