Finding the Fourth Proportional to 80,087.70, 110,511.28 and 44,272.74
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Solution
The fourth proportional to 80,087.70, 110,511.28 and 44,272.74 is: 61,090.99
Step by Step Solution
- Step 1: Write the proportion equation
80,087.70 : 110,511.28 = 44,272.74 : x - Step 2: Convert to fraction form
80,087.70/110,511.28 = 44,272.74/x - Step 3: Cross multiply
80,087.70x = 110,511.28 × 44,272.74 - Step 4: Simplify right side
80,087.70x = 4,892,636,503.27 - Step 5: Solve for x
x = 4,892,636,503.27/80,087.70 - Step 6: Final answer
x = 61,090.99
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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.