Finding the Fourth Proportional to 75,721.25, 104,496.04 and 41,730.96
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Solution
The fourth proportional to 75,721.25, 104,496.04 and 41,730.96 is: 57,589.12
Step by Step Solution
- Step 1: Write the proportion equation
75,721.25 : 104,496.04 = 41,730.96 : x - Step 2: Convert to fraction form
75,721.25/104,496.04 = 41,730.96/x - Step 3: Cross multiply
75,721.25x = 104,496.04 × 41,730.96 - Step 4: Simplify right side
75,721.25x = 4,360,719,892.53 - Step 5: Solve for x
x = 4,360,719,892.53/75,721.25 - Step 6: Final answer
x = 57,589.12
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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.