Home / 80,825.06-111,584.85-54,012.98

Finding the Fourth Proportional to 80,825.06, 111,584.85 and 54,012.98

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Solution

The fourth proportional to 80,825.06, 111,584.85 and 54,012.98 is: 74,568.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,825.06 : 111,584.85 = 54,012.98 : x
  2. Step 2: Convert to fraction form
    80,825.06/111,584.85 = 54,012.98/x
  3. Step 3: Cross multiply
    80,825.06x = 111,584.85 × 54,012.98
  4. Step 4: Simplify right side
    80,825.06x = 6,027,030,271.35
  5. Step 5: Solve for x
    x = 6,027,030,271.35/80,825.06
  6. Step 6: Final answer
    x = 74,568.83

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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.