Home / 80,501.37-120,752.48-47,198.09

Finding the Fourth Proportional to 80,501.37, 120,752.48 and 47,198.09

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Solution

The fourth proportional to 80,501.37, 120,752.48 and 47,198.09 is: 70,797.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,501.37 : 120,752.48 = 47,198.09 : x
  2. Step 2: Convert to fraction form
    80,501.37/120,752.48 = 47,198.09/x
  3. Step 3: Cross multiply
    80,501.37x = 120,752.48 × 47,198.09
  4. Step 4: Simplify right side
    80,501.37x = 5,699,285,579.01
  5. Step 5: Solve for x
    x = 5,699,285,579.01/80,501.37
  6. Step 6: Final answer
    x = 70,797.37

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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.