Home / 79,208.03-118,786.92-25,887.95

Finding the Fourth Proportional to 79,208.03, 118,786.92 and 25,887.95

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Solution

The fourth proportional to 79,208.03, 118,786.92 and 25,887.95 is: 38,823.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,208.03 : 118,786.92 = 25,887.95 : x
  2. Step 2: Convert to fraction form
    79,208.03/118,786.92 = 25,887.95/x
  3. Step 3: Cross multiply
    79,208.03x = 118,786.92 × 25,887.95
  4. Step 4: Simplify right side
    79,208.03x = 3,075,149,251.68
  5. Step 5: Solve for x
    x = 3,075,149,251.68/79,208.03
  6. Step 6: Final answer
    x = 38,823.71

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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.