Finding the Fourth Proportional to 80,294.59, 110,761.89 and 63,235.99
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Solution
The fourth proportional to 80,294.59, 110,761.89 and 63,235.99 is: 87,230.51
Step by Step Solution
- Step 1: Write the proportion equation
80,294.59 : 110,761.89 = 63,235.99 : x - Step 2: Convert to fraction form
80,294.59/110,761.89 = 63,235.99/x - Step 3: Cross multiply
80,294.59x = 110,761.89 × 63,235.99 - Step 4: Simplify right side
80,294.59x = 7,004,137,768.42 - Step 5: Solve for x
x = 7,004,137,768.42/80,294.59 - Step 6: Final answer
x = 87,230.51
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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.