Home / 80,861.14-111,556.74-50,633.56

Finding the Fourth Proportional to 80,861.14, 111,556.74 and 50,633.56

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Solution

The fourth proportional to 80,861.14, 111,556.74 and 50,633.56 is: 69,854.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,861.14 : 111,556.74 = 50,633.56 : x
  2. Step 2: Convert to fraction form
    80,861.14/111,556.74 = 50,633.56/x
  3. Step 3: Cross multiply
    80,861.14x = 111,556.74 × 50,633.56
  4. Step 4: Simplify right side
    80,861.14x = 5,648,514,888.19
  5. Step 5: Solve for x
    x = 5,648,514,888.19/80,861.14
  6. Step 6: Final answer
    x = 69,854.50

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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.