Finding the Fourth Proportional to 80,950.56, 121,396.68 and 34,207.08
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Solution
The fourth proportional to 80,950.56, 121,396.68 and 34,207.08 is: 51,298.30
Step by Step Solution
- Step 1: Write the proportion equation
80,950.56 : 121,396.68 = 34,207.08 : x - Step 2: Convert to fraction form
80,950.56/121,396.68 = 34,207.08/x - Step 3: Cross multiply
80,950.56x = 121,396.68 × 34,207.08 - Step 4: Simplify right side
80,950.56x = 4,152,625,944.49 - Step 5: Solve for x
x = 4,152,625,944.49/80,950.56 - Step 6: Final answer
x = 51,298.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.