Home / 53,416.20-80,027.10-43,501.80

Finding the Fourth Proportional to 53,416.20, 80,027.10 and 43,501.80

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Solution

The fourth proportional to 53,416.20, 80,027.10 and 43,501.80 is: 65,173.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,416.20 : 80,027.10 = 43,501.80 : x
  2. Step 2: Convert to fraction form
    53,416.20/80,027.10 = 43,501.80/x
  3. Step 3: Cross multiply
    53,416.20x = 80,027.10 × 43,501.80
  4. Step 4: Simplify right side
    53,416.20x = 3,481,322,898.78
  5. Step 5: Solve for x
    x = 3,481,322,898.78/53,416.20
  6. Step 6: Final answer
    x = 65,173.54

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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.