Home / 79,290.44-118,920.52-39,836.60

Finding the Fourth Proportional to 79,290.44, 118,920.52 and 39,836.60

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Solution

The fourth proportional to 79,290.44, 118,920.52 and 39,836.60 is: 59,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,290.44 : 118,920.52 = 39,836.60 : x
  2. Step 2: Convert to fraction form
    79,290.44/118,920.52 = 39,836.60/x
  3. Step 3: Cross multiply
    79,290.44x = 118,920.52 × 39,836.60
  4. Step 4: Simplify right side
    79,290.44x = 4,737,389,187.03
  5. Step 5: Solve for x
    x = 4,737,389,187.03/79,290.44
  6. Step 6: Final answer
    x = 59,747.29

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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.