Home / 80,782.96-111,481.92-44,486.08

Finding the Fourth Proportional to 80,782.96, 111,481.92 and 44,486.08

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Solution

The fourth proportional to 80,782.96, 111,481.92 and 44,486.08 is: 61,391.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,782.96 : 111,481.92 = 44,486.08 : x
  2. Step 2: Convert to fraction form
    80,782.96/111,481.92 = 44,486.08/x
  3. Step 3: Cross multiply
    80,782.96x = 111,481.92 × 44,486.08
  4. Step 4: Simplify right side
    80,782.96x = 4,959,393,611.67
  5. Step 5: Solve for x
    x = 4,959,393,611.67/80,782.96
  6. Step 6: Final answer
    x = 61,391.58

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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.