Home / 79,453.73-109,556.30-50,735.63

Finding the Fourth Proportional to 79,453.73, 109,556.30 and 50,735.63

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Solution

The fourth proportional to 79,453.73, 109,556.30 and 50,735.63 is: 69,957.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,453.73 : 109,556.30 = 50,735.63 : x
  2. Step 2: Convert to fraction form
    79,453.73/109,556.30 = 50,735.63/x
  3. Step 3: Cross multiply
    79,453.73x = 109,556.30 × 50,735.63
  4. Step 4: Simplify right side
    79,453.73x = 5,558,407,647.29
  5. Step 5: Solve for x
    x = 5,558,407,647.29/79,453.73
  6. Step 6: Final answer
    x = 69,957.79

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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.