Finding the Fourth Proportional to 75,322.19, 104,082.17 and 54,868.66
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Solution
The fourth proportional to 75,322.19, 104,082.17 and 54,868.66 is: 75,818.94
Step by Step Solution
- Step 1: Write the proportion equation
75,322.19 : 104,082.17 = 54,868.66 : x - Step 2: Convert to fraction form
75,322.19/104,082.17 = 54,868.66/x - Step 3: Cross multiply
75,322.19x = 104,082.17 × 54,868.66 - Step 4: Simplify right side
75,322.19x = 5,710,848,663.24 - Step 5: Solve for x
x = 5,710,848,663.24/75,322.19 - Step 6: Final answer
x = 75,818.94
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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.