Home / 259,033.94-388,572.78-72,045.44

Finding the Fourth Proportional to 259,033.94, 388,572.78 and 72,045.44

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Solution

The fourth proportional to 259,033.94, 388,572.78 and 72,045.44 is: 108,074.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,033.94 : 388,572.78 = 72,045.44 : x
  2. Step 2: Convert to fraction form
    259,033.94/388,572.78 = 72,045.44/x
  3. Step 3: Cross multiply
    259,033.94x = 388,572.78 × 72,045.44
  4. Step 4: Simplify right side
    259,033.94x = 27,994,896,907.12
  5. Step 5: Solve for x
    x = 27,994,896,907.12/259,033.94
  6. Step 6: Final answer
    x = 108,074.24

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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.