Finding the Fourth Proportional to 80,122.74, 110,567.49 and 44,311.98
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Solution
The fourth proportional to 80,122.74, 110,567.49 and 44,311.98 is: 61,149.49
Step by Step Solution
- Step 1: Write the proportion equation
80,122.74 : 110,567.49 = 44,311.98 : x - Step 2: Convert to fraction form
80,122.74/110,567.49 = 44,311.98/x - Step 3: Cross multiply
80,122.74x = 110,567.49 × 44,311.98 - Step 4: Simplify right side
80,122.74x = 4,899,464,405.53 - Step 5: Solve for x
x = 4,899,464,405.53/80,122.74 - Step 6: Final answer
x = 61,149.49
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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.