Finding the Fourth Proportional to 96,074.91, 132,574.05 and 65,886.12
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Solution
The fourth proportional to 96,074.91, 132,574.05 and 65,886.12 is: 90,916.45
Step by Step Solution
- Step 1: Write the proportion equation
96,074.91 : 132,574.05 = 65,886.12 : x - Step 2: Convert to fraction form
96,074.91/132,574.05 = 65,886.12/x - Step 3: Cross multiply
96,074.91x = 132,574.05 × 65,886.12 - Step 4: Simplify right side
96,074.91x = 8,734,789,767.19 - Step 5: Solve for x
x = 8,734,789,767.19/96,074.91 - Step 6: Final answer
x = 90,916.45
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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.