Home / 104,825.27-144,653.95-57,078.47

Finding the Fourth Proportional to 104,825.27, 144,653.95 and 57,078.47

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Solution

The fourth proportional to 104,825.27, 144,653.95 and 57,078.47 is: 78,765.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,825.27 : 144,653.95 = 57,078.47 : x
  2. Step 2: Convert to fraction form
    104,825.27/144,653.95 = 57,078.47/x
  3. Step 3: Cross multiply
    104,825.27x = 144,653.95 × 57,078.47
  4. Step 4: Simplify right side
    104,825.27x = 8,256,626,578.44
  5. Step 5: Solve for x
    x = 8,256,626,578.44/104,825.27
  6. Step 6: Final answer
    x = 78,765.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.