Finding the Fourth Proportional to 84,612.20, 116,646.36 and 59,082.08
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Solution
The fourth proportional to 84,612.20, 116,646.36 and 59,082.08 is: 81,450.54
Step by Step Solution
- Step 1: Write the proportion equation
84,612.20 : 116,646.36 = 59,082.08 : x - Step 2: Convert to fraction form
84,612.20/116,646.36 = 59,082.08/x - Step 3: Cross multiply
84,612.20x = 116,646.36 × 59,082.08 - Step 4: Simplify right side
84,612.20x = 6,891,709,573.23 - Step 5: Solve for x
x = 6,891,709,573.23/84,612.20 - Step 6: Final answer
x = 81,450.54
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1.5x scale
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.