Finding the Fourth Proportional to 96,630.42, 133,282.50 and 93,379.08
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Solution
The fourth proportional to 96,630.42, 133,282.50 and 93,379.08 is: 128,797.92
Step by Step Solution
- Step 1: Write the proportion equation
96,630.42 : 133,282.50 = 93,379.08 : x - Step 2: Convert to fraction form
96,630.42/133,282.50 = 93,379.08/x - Step 3: Cross multiply
96,630.42x = 133,282.50 × 93,379.08 - Step 4: Simplify right side
96,630.42x = 12,445,797,230.10 - Step 5: Solve for x
x = 12,445,797,230.10/96,630.42 - Step 6: Final answer
x = 128,797.92
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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.