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Finding the Fourth Proportional to 80,396.79, 110,940.24 and 44,586.69

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Solution

The fourth proportional to 80,396.79, 110,940.24 and 44,586.69 is: 61,525.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,396.79 : 110,940.24 = 44,586.69 : x
  2. Step 2: Convert to fraction form
    80,396.79/110,940.24 = 44,586.69/x
  3. Step 3: Cross multiply
    80,396.79x = 110,940.24 × 44,586.69
  4. Step 4: Simplify right side
    80,396.79x = 4,946,458,089.41
  5. Step 5: Solve for x
    x = 4,946,458,089.41/80,396.79
  6. Step 6: Final answer
    x = 61,525.57

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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.