Home / 118,669.26-178,024.41-39,791.10

Finding the Fourth Proportional to 118,669.26, 178,024.41 and 39,791.10

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Solution

The fourth proportional to 118,669.26, 178,024.41 and 39,791.10 is: 59,693.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,669.26 : 178,024.41 = 39,791.10 : x
  2. Step 2: Convert to fraction form
    118,669.26/178,024.41 = 39,791.10/x
  3. Step 3: Cross multiply
    118,669.26x = 178,024.41 × 39,791.10
  4. Step 4: Simplify right side
    118,669.26x = 7,083,787,100.75
  5. Step 5: Solve for x
    x = 7,083,787,100.75/118,669.26
  6. Step 6: Final answer
    x = 59,693.53

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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.