Finding the Fourth Proportional to 84,530.17, 116,625.18 and 48,715.28
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Solution
The fourth proportional to 84,530.17, 116,625.18 and 48,715.28 is: 67,211.84
Step by Step Solution
- Step 1: Write the proportion equation
84,530.17 : 116,625.18 = 48,715.28 : x - Step 2: Convert to fraction form
84,530.17/116,625.18 = 48,715.28/x - Step 3: Cross multiply
84,530.17x = 116,625.18 × 48,715.28 - Step 4: Simplify right side
84,530.17x = 5,681,428,298.75 - Step 5: Solve for x
x = 5,681,428,298.75/84,530.17 - Step 6: Final answer
x = 67,211.84
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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.