Finding the Fourth Proportional to 74,092.96, 102,250.68 and 40,558.96
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Solution
The fourth proportional to 74,092.96, 102,250.68 and 40,558.96 is: 55,972.68
Step by Step Solution
- Step 1: Write the proportion equation
74,092.96 : 102,250.68 = 40,558.96 : x - Step 2: Convert to fraction form
74,092.96/102,250.68 = 40,558.96/x - Step 3: Cross multiply
74,092.96x = 102,250.68 × 40,558.96 - Step 4: Simplify right side
74,092.96x = 4,147,181,240.09 - Step 5: Solve for x
x = 4,147,181,240.09/74,092.96 - Step 6: Final answer
x = 55,972.68
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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.