Home / 79,273.44-118,895.04-39,819.60

Finding the Fourth Proportional to 79,273.44, 118,895.04 and 39,819.60

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Solution

The fourth proportional to 79,273.44, 118,895.04 and 39,819.60 is: 59,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,273.44 : 118,895.04 = 39,819.60 : x
  2. Step 2: Convert to fraction form
    79,273.44/118,895.04 = 39,819.60/x
  3. Step 3: Cross multiply
    79,273.44x = 118,895.04 × 39,819.60
  4. Step 4: Simplify right side
    79,273.44x = 4,734,352,934.78
  5. Step 5: Solve for x
    x = 4,734,352,934.78/79,273.44
  6. Step 6: Final answer
    x = 59,721.81

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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.