Finding the Fourth Proportional to 74,503.23, 111,052.99 and 68,524.53
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Solution
The fourth proportional to 74,503.23, 111,052.99 and 68,524.53 is: 102,141.26
Step by Step Solution
- Step 1: Write the proportion equation
74,503.23 : 111,052.99 = 68,524.53 : x - Step 2: Convert to fraction form
74,503.23/111,052.99 = 68,524.53/x - Step 3: Cross multiply
74,503.23x = 111,052.99 × 68,524.53 - Step 4: Simplify right side
74,503.23x = 7,609,853,602.22 - Step 5: Solve for x
x = 7,609,853,602.22/74,503.23 - Step 6: Final answer
x = 102,141.26
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.