Finding the Fourth Proportional to 92,917.92, 128,226.84 and 50,476.44
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Solution
The fourth proportional to 92,917.92, 128,226.84 and 50,476.44 is: 69,657.55
Step by Step Solution
- Step 1: Write the proportion equation
92,917.92 : 128,226.84 = 50,476.44 : x - Step 2: Convert to fraction form
92,917.92/128,226.84 = 50,476.44/x - Step 3: Cross multiply
92,917.92x = 128,226.84 × 50,476.44 - Step 4: Simplify right side
92,917.92x = 6,472,434,395.65 - Step 5: Solve for x
x = 6,472,434,395.65/92,917.92 - Step 6: Final answer
x = 69,657.55
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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.