Home / 115,623.07-173,469.53-54,879.95

Finding the Fourth Proportional to 115,623.07, 173,469.53 and 54,879.95

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Solution

The fourth proportional to 115,623.07, 173,469.53 and 54,879.95 is: 82,336.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,623.07 : 173,469.53 = 54,879.95 : x
  2. Step 2: Convert to fraction form
    115,623.07/173,469.53 = 54,879.95/x
  3. Step 3: Cross multiply
    115,623.07x = 173,469.53 × 54,879.95
  4. Step 4: Simplify right side
    115,623.07x = 9,519,999,703.80
  5. Step 5: Solve for x
    x = 9,519,999,703.80/115,623.07
  6. Step 6: Final answer
    x = 82,336.51

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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.