Home / 80,581.65-111,216.38-46,610.79

Finding the Fourth Proportional to 80,581.65, 111,216.38 and 46,610.79

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Solution

The fourth proportional to 80,581.65, 111,216.38 and 46,610.79 is: 64,330.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,581.65 : 111,216.38 = 46,610.79 : x
  2. Step 2: Convert to fraction form
    80,581.65/111,216.38 = 46,610.79/x
  3. Step 3: Cross multiply
    80,581.65x = 111,216.38 × 46,610.79
  4. Step 4: Simplify right side
    80,581.65x = 5,183,883,157.95
  5. Step 5: Solve for x
    x = 5,183,883,157.95/80,581.65
  6. Step 6: Final answer
    x = 64,330.81

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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.