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Finding the Fourth Proportional to 91,777.44, 137,469.60 and 44,932.80

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Solution

The fourth proportional to 91,777.44, 137,469.60 and 44,932.80 is: 67,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,777.44 : 137,469.60 = 44,932.80 : x
  2. Step 2: Convert to fraction form
    91,777.44/137,469.60 = 44,932.80/x
  3. Step 3: Cross multiply
    91,777.44x = 137,469.60 × 44,932.80
  4. Step 4: Simplify right side
    91,777.44x = 6,176,894,042.88
  5. Step 5: Solve for x
    x = 6,176,894,042.88/91,777.44
  6. Step 6: Final answer
    x = 67,302.97

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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.