Home / 104,418.54-144,032.04-61,947

Finding the Fourth Proportional to 104,418.54, 144,032.04 and 61,947

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Solution

The fourth proportional to 104,418.54, 144,032.04 and 61,947 is: 85,447.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,418.54 : 144,032.04 = 61,947 : x
  2. Step 2: Convert to fraction form
    104,418.54/144,032.04 = 61,947/x
  3. Step 3: Cross multiply
    104,418.54x = 144,032.04 × 61,947
  4. Step 4: Simplify right side
    104,418.54x = 8,922,352,781.88
  5. Step 5: Solve for x
    x = 8,922,352,781.88/104,418.54
  6. Step 6: Final answer
    x = 85,447.97

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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.