Finding the Fourth Proportional to 96,787.08, 145,173.44 and 40,624.92
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Solution
The fourth proportional to 96,787.08, 145,173.44 and 40,624.92 is: 60,934.36
Step by Step Solution
- Step 1: Write the proportion equation
96,787.08 : 145,173.44 = 40,624.92 : x - Step 2: Convert to fraction form
96,787.08/145,173.44 = 40,624.92/x - Step 3: Cross multiply
96,787.08x = 145,173.44 × 40,624.92 - Step 4: Simplify right side
96,787.08x = 5,897,658,965.13 - Step 5: Solve for x
x = 5,897,658,965.13/96,787.08 - Step 6: Final answer
x = 60,934.36
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.