Finding the Fourth Proportional to 94,979.16, 131,014.13 and 62,714.07
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Solution
The fourth proportional to 94,979.16, 131,014.13 and 62,714.07 is: 86,507.70
Step by Step Solution
- Step 1: Write the proportion equation
94,979.16 : 131,014.13 = 62,714.07 : x - Step 2: Convert to fraction form
94,979.16/131,014.13 = 62,714.07/x - Step 3: Cross multiply
94,979.16x = 131,014.13 × 62,714.07 - Step 4: Simplify right side
94,979.16x = 8,216,429,006.24 - Step 5: Solve for x
x = 8,216,429,006.24/94,979.16 - Step 6: Final answer
x = 86,507.70
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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.