Finding the Fourth Proportional to 88,714.84, 122,429.44 and 48,431.02
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Solution
The fourth proportional to 88,714.84, 122,429.44 and 48,431.02 is: 66,836.42
Step by Step Solution
- Step 1: Write the proportion equation
88,714.84 : 122,429.44 = 48,431.02 : x - Step 2: Convert to fraction form
88,714.84/122,429.44 = 48,431.02/x - Step 3: Cross multiply
88,714.84x = 122,429.44 × 48,431.02 - Step 4: Simplify right side
88,714.84x = 5,929,382,657.23 - Step 5: Solve for x
x = 5,929,382,657.23/88,714.84 - Step 6: Final answer
x = 66,836.42
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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.