Finding the Fourth Proportional to 88,672.68, 122,329.68 and 58,419.18
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Solution
The fourth proportional to 88,672.68, 122,329.68 and 58,419.18 is: 80,593.03
Step by Step Solution
- Step 1: Write the proportion equation
88,672.68 : 122,329.68 = 58,419.18 : x - Step 2: Convert to fraction form
88,672.68/122,329.68 = 58,419.18/x - Step 3: Cross multiply
88,672.68x = 122,329.68 × 58,419.18 - Step 4: Simplify right side
88,672.68x = 7,146,399,595.26 - Step 5: Solve for x
x = 7,146,399,595.26/88,672.68 - Step 6: Final answer
x = 80,593.03
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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.