Home / 80,927.44-111,679.50-46,942.80

Finding the Fourth Proportional to 80,927.44, 111,679.50 and 46,942.80

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Solution

The fourth proportional to 80,927.44, 111,679.50 and 46,942.80 is: 64,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,927.44 : 111,679.50 = 46,942.80 : x
  2. Step 2: Convert to fraction form
    80,927.44/111,679.50 = 46,942.80/x
  3. Step 3: Cross multiply
    80,927.44x = 111,679.50 × 46,942.80
  4. Step 4: Simplify right side
    80,927.44x = 5,242,548,432.60
  5. Step 5: Solve for x
    x = 5,242,548,432.60/80,927.44
  6. Step 6: Final answer
    x = 64,780.85

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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.