Finding the Fourth Proportional to 75,465.19, 104,143.97 and 41,474.65
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Solution
The fourth proportional to 75,465.19, 104,143.97 and 41,474.65 is: 57,236.12
Step by Step Solution
- Step 1: Write the proportion equation
75,465.19 : 104,143.97 = 41,474.65 : x - Step 2: Convert to fraction form
75,465.19/104,143.97 = 41,474.65/x - Step 3: Cross multiply
75,465.19x = 104,143.97 × 41,474.65 - Step 4: Simplify right side
75,465.19x = 4,319,334,705.36 - Step 5: Solve for x
x = 4,319,334,705.36/75,465.19 - Step 6: Final answer
x = 57,236.12
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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.