Finding the Fourth Proportional to 97,433.92, 134,549.68 and 71,714.80
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Solution
The fourth proportional to 97,433.92, 134,549.68 and 71,714.80 is: 99,033.31
Step by Step Solution
- Step 1: Write the proportion equation
97,433.92 : 134,549.68 = 71,714.80 : x - Step 2: Convert to fraction form
97,433.92/134,549.68 = 71,714.80/x - Step 3: Cross multiply
97,433.92x = 134,549.68 × 71,714.80 - Step 4: Simplify right side
97,433.92x = 9,649,203,391.26 - Step 5: Solve for x
x = 9,649,203,391.26/97,433.92 - Step 6: Final answer
x = 99,033.31
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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.