Finding the Fourth Proportional to 80,759.29, 121,163.75 and 41,344.08
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Solution
The fourth proportional to 80,759.29, 121,163.75 and 41,344.08 is: 62,028.82
Step by Step Solution
- Step 1: Write the proportion equation
80,759.29 : 121,163.75 = 41,344.08 : x - Step 2: Convert to fraction form
80,759.29/121,163.75 = 41,344.08/x - Step 3: Cross multiply
80,759.29x = 121,163.75 × 41,344.08 - Step 4: Simplify right side
80,759.29x = 5,009,403,773.10 - Step 5: Solve for x
x = 5,009,403,773.10/80,759.29 - Step 6: Final answer
x = 62,028.82
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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.