Finding the Fourth Proportional to 74,773.68, 103,187.16 and 41,239.68
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Solution
The fourth proportional to 74,773.68, 103,187.16 and 41,239.68 is: 56,910.47
Step by Step Solution
- Step 1: Write the proportion equation
74,773.68 : 103,187.16 = 41,239.68 : x - Step 2: Convert to fraction form
74,773.68/103,187.16 = 41,239.68/x - Step 3: Cross multiply
74,773.68x = 103,187.16 × 41,239.68 - Step 4: Simplify right side
74,773.68x = 4,255,405,458.51 - Step 5: Solve for x
x = 4,255,405,458.51/74,773.68 - Step 6: Final answer
x = 56,910.47
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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.