Home / 79,623.99-109,763.37-50,940.63

Finding the Fourth Proportional to 79,623.99, 109,763.37 and 50,940.63

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Solution

The fourth proportional to 79,623.99, 109,763.37 and 50,940.63 is: 70,222.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,623.99 : 109,763.37 = 50,940.63 : x
  2. Step 2: Convert to fraction form
    79,623.99/109,763.37 = 50,940.63/x
  3. Step 3: Cross multiply
    79,623.99x = 109,763.37 × 50,940.63
  4. Step 4: Simplify right side
    79,623.99x = 5,591,415,218.72
  5. Step 5: Solve for x
    x = 5,591,415,218.72/79,623.99
  6. Step 6: Final answer
    x = 70,222.75

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1.5x scale

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.