Finding the Fourth Proportional to 94,714.62, 130,723.11 and 56,476.63
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Solution
The fourth proportional to 94,714.62, 130,723.11 and 56,476.63 is: 77,947.85
Step by Step Solution
- Step 1: Write the proportion equation
94,714.62 : 130,723.11 = 56,476.63 : x - Step 2: Convert to fraction form
94,714.62/130,723.11 = 56,476.63/x - Step 3: Cross multiply
94,714.62x = 130,723.11 × 56,476.63 - Step 4: Simplify right side
94,714.62x = 7,382,800,715.92 - Step 5: Solve for x
x = 7,382,800,715.92/94,714.62 - Step 6: Final answer
x = 77,947.85
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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.