Home / 53,879.16-80,433.72-50,321.64

Finding the Fourth Proportional to 53,879.16, 80,433.72 and 50,321.64

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Solution

The fourth proportional to 53,879.16, 80,433.72 and 50,321.64 is: 75,122.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,879.16 : 80,433.72 = 50,321.64 : x
  2. Step 2: Convert to fraction form
    53,879.16/80,433.72 = 50,321.64/x
  3. Step 3: Cross multiply
    53,879.16x = 80,433.72 × 50,321.64
  4. Step 4: Simplify right side
    53,879.16x = 4,047,556,701.70
  5. Step 5: Solve for x
    x = 4,047,556,701.70/53,879.16
  6. Step 6: Final answer
    x = 75,122.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.