Finding the Fourth Proportional to 71,524.09, 107,298.51 and 29,427.31
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Solution
The fourth proportional to 71,524.09, 107,298.51 and 29,427.31 is: 44,146.06
Step by Step Solution
- Step 1: Write the proportion equation
71,524.09 : 107,298.51 = 29,427.31 : x - Step 2: Convert to fraction form
71,524.09/107,298.51 = 29,427.31/x - Step 3: Cross multiply
71,524.09x = 107,298.51 × 29,427.31 - Step 4: Simplify right side
71,524.09x = 3,157,506,516.31 - Step 5: Solve for x
x = 3,157,506,516.31/71,524.09 - Step 6: Final answer
x = 44,146.06
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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.