Finding the Fourth Proportional to 97,228.08, 134,123.52 and 66,960.96
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Solution
The fourth proportional to 97,228.08, 134,123.52 and 66,960.96 is: 92,370.84
Step by Step Solution
- Step 1: Write the proportion equation
97,228.08 : 134,123.52 = 66,960.96 : x - Step 2: Convert to fraction form
97,228.08/134,123.52 = 66,960.96/x - Step 3: Cross multiply
97,228.08x = 134,123.52 × 66,960.96 - Step 4: Simplify right side
97,228.08x = 8,981,039,657.78 - Step 5: Solve for x
x = 8,981,039,657.78/97,228.08 - Step 6: Final answer
x = 92,370.84
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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.