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Finding the Fourth Proportional to 80,379.41, 110,923.40 and 44,568.50

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Solution

The fourth proportional to 80,379.41, 110,923.40 and 44,568.50 is: 61,504.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,379.41 : 110,923.40 = 44,568.50 : x
  2. Step 2: Convert to fraction form
    80,379.41/110,923.40 = 44,568.50/x
  3. Step 3: Cross multiply
    80,379.41x = 110,923.40 × 44,568.50
  4. Step 4: Simplify right side
    80,379.41x = 4,943,689,330.06
  5. Step 5: Solve for x
    x = 4,943,689,330.06/80,379.41
  6. Step 6: Final answer
    x = 61,504.42

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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.