Finding the Fourth Proportional to 74,497.48, 102,791.80 and 41,792.96
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Solution
The fourth proportional to 74,497.48, 102,791.80 and 41,792.96 is: 57,666.03
Step by Step Solution
- Step 1: Write the proportion equation
74,497.48 : 102,791.80 = 41,792.96 : x - Step 2: Convert to fraction form
74,497.48/102,791.80 = 41,792.96/x - Step 3: Cross multiply
74,497.48x = 102,791.80 × 41,792.96 - Step 4: Simplify right side
74,497.48x = 4,295,973,585.73 - Step 5: Solve for x
x = 4,295,973,585.73/74,497.48 - Step 6: Final answer
x = 57,666.03
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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.