Home / 79,138.44-118,707.39-32,391.36

Finding the Fourth Proportional to 79,138.44, 118,707.39 and 32,391.36

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Solution

The fourth proportional to 79,138.44, 118,707.39 and 32,391.36 is: 48,586.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,138.44 : 118,707.39 = 32,391.36 : x
  2. Step 2: Convert to fraction form
    79,138.44/118,707.39 = 32,391.36/x
  3. Step 3: Cross multiply
    79,138.44x = 118,707.39 × 32,391.36
  4. Step 4: Simplify right side
    79,138.44x = 3,845,093,804.15
  5. Step 5: Solve for x
    x = 3,845,093,804.15/79,138.44
  6. Step 6: Final answer
    x = 48,586.93

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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.