Home / 112,865.97-155,759.95-67,535.27

Finding the Fourth Proportional to 112,865.97, 155,759.95 and 67,535.27

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Solution

The fourth proportional to 112,865.97, 155,759.95 and 67,535.27 is: 93,201.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,865.97 : 155,759.95 = 67,535.27 : x
  2. Step 2: Convert to fraction form
    112,865.97/155,759.95 = 67,535.27/x
  3. Step 3: Cross multiply
    112,865.97x = 155,759.95 × 67,535.27
  4. Step 4: Simplify right side
    112,865.97x = 10,519,290,278.44
  5. Step 5: Solve for x
    x = 10,519,290,278.44/112,865.97
  6. Step 6: Final answer
    x = 93,201.61

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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.