Home / 54,015.55-80,859.30-48,110.65

Finding the Fourth Proportional to 54,015.55, 80,859.30 and 48,110.65

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Solution

The fourth proportional to 54,015.55, 80,859.30 and 48,110.65 is: 72,019.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,015.55 : 80,859.30 = 48,110.65 : x
  2. Step 2: Convert to fraction form
    54,015.55/80,859.30 = 48,110.65/x
  3. Step 3: Cross multiply
    54,015.55x = 80,859.30 × 48,110.65
  4. Step 4: Simplify right side
    54,015.55x = 3,890,193,481.55
  5. Step 5: Solve for x
    x = 3,890,193,481.55/54,015.55
  6. Step 6: Final answer
    x = 72,019.88

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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.