Finding the Fourth Proportional to 75,631.97, 104,374.62 and 41,642.96
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Solution
The fourth proportional to 75,631.97, 104,374.62 and 41,642.96 is: 57,468.65
Step by Step Solution
- Step 1: Write the proportion equation
75,631.97 : 104,374.62 = 41,642.96 : x - Step 2: Convert to fraction form
75,631.97/104,374.62 = 41,642.96/x - Step 3: Cross multiply
75,631.97x = 104,374.62 × 41,642.96 - Step 4: Simplify right side
75,631.97x = 4,346,467,603.80 - Step 5: Solve for x
x = 4,346,467,603.80/75,631.97 - Step 6: Final answer
x = 57,468.65
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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.