Finding the Fourth Proportional to 80,245.88, 110,737.95 and 44,435.12
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Solution
The fourth proportional to 80,245.88, 110,737.95 and 44,435.12 is: 61,319.70
Step by Step Solution
- Step 1: Write the proportion equation
80,245.88 : 110,737.95 = 44,435.12 : x - Step 2: Convert to fraction form
80,245.88/110,737.95 = 44,435.12/x - Step 3: Cross multiply
80,245.88x = 110,737.95 × 44,435.12 - Step 4: Simplify right side
80,245.88x = 4,920,653,320.94 - Step 5: Solve for x
x = 4,920,653,320.94/80,245.88 - Step 6: Final answer
x = 61,319.70
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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.