Finding the Fourth Proportional to 91,809.44, 137,714.16 and 29,523.68
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Solution
The fourth proportional to 91,809.44, 137,714.16 and 29,523.68 is: 44,285.52
Step by Step Solution
- Step 1: Write the proportion equation
91,809.44 : 137,714.16 = 29,523.68 : x - Step 2: Convert to fraction form
91,809.44/137,714.16 = 29,523.68/x - Step 3: Cross multiply
91,809.44x = 137,714.16 × 29,523.68 - Step 4: Simplify right side
91,809.44x = 4,065,828,791.31 - Step 5: Solve for x
x = 4,065,828,791.31/91,809.44 - Step 6: Final answer
x = 44,285.52
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.