Finding the Fourth Proportional to 74,526.43, 102,845.44 and 40,534.18
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Solution
The fourth proportional to 74,526.43, 102,845.44 and 40,534.18 is: 55,936.61
Step by Step Solution
- Step 1: Write the proportion equation
74,526.43 : 102,845.44 = 40,534.18 : x - Step 2: Convert to fraction form
74,526.43/102,845.44 = 40,534.18/x - Step 3: Cross multiply
74,526.43x = 102,845.44 × 40,534.18 - Step 4: Simplify right side
74,526.43x = 4,168,755,577.14 - Step 5: Solve for x
x = 4,168,755,577.14/74,526.43 - Step 6: Final answer
x = 55,936.61
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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.