Home / 79,283.44-118,910.02-39,829.60

Finding the Fourth Proportional to 79,283.44, 118,910.02 and 39,829.60

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Solution

The fourth proportional to 79,283.44, 118,910.02 and 39,829.60 is: 59,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,283.44 : 118,910.02 = 39,829.60 : x
  2. Step 2: Convert to fraction form
    79,283.44/118,910.02 = 39,829.60/x
  3. Step 3: Cross multiply
    79,283.44x = 118,910.02 × 39,829.60
  4. Step 4: Simplify right side
    79,283.44x = 4,736,138,532.59
  5. Step 5: Solve for x
    x = 4,736,138,532.59/79,283.44
  6. Step 6: Final answer
    x = 59,736.79

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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.