Finding the Fourth Proportional to 95,842.08, 132,309.36 and 74,284.32
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Solution
The fourth proportional to 95,842.08, 132,309.36 and 74,284.32 is: 102,549.01
Step by Step Solution
- Step 1: Write the proportion equation
95,842.08 : 132,309.36 = 74,284.32 : x - Step 2: Convert to fraction form
95,842.08/132,309.36 = 74,284.32/x - Step 3: Cross multiply
95,842.08x = 132,309.36 × 74,284.32 - Step 4: Simplify right side
95,842.08x = 9,828,510,837.24 - Step 5: Solve for x
x = 9,828,510,837.24/95,842.08 - Step 6: Final answer
x = 102,549.01
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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.