Finding the Fourth Proportional to 74,558.98, 102,857.49 and 44,327.15
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Solution
The fourth proportional to 74,558.98, 102,857.49 and 44,327.15 is: 61,151.31
Step by Step Solution
- Step 1: Write the proportion equation
74,558.98 : 102,857.49 = 44,327.15 : x - Step 2: Convert to fraction form
74,558.98/102,857.49 = 44,327.15/x - Step 3: Cross multiply
74,558.98x = 102,857.49 × 44,327.15 - Step 4: Simplify right side
74,558.98x = 4,559,379,387.85 - Step 5: Solve for x
x = 4,559,379,387.85/74,558.98 - Step 6: Final answer
x = 61,151.31
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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.