Home / 53,769.15-80,556.53-45,993.15

Finding the Fourth Proportional to 53,769.15, 80,556.53 and 45,993.15

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Solution

The fourth proportional to 53,769.15, 80,556.53 and 45,993.15 is: 68,906.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,769.15 : 80,556.53 = 45,993.15 : x
  2. Step 2: Convert to fraction form
    53,769.15/80,556.53 = 45,993.15/x
  3. Step 3: Cross multiply
    53,769.15x = 80,556.53 × 45,993.15
  4. Step 4: Simplify right side
    53,769.15x = 3,705,048,337.80
  5. Step 5: Solve for x
    x = 3,705,048,337.80/53,769.15
  6. Step 6: Final answer
    x = 68,906.58

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1.5x scale

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.