Finding the Fourth Proportional to 112,830.24, 169,264.84 and 37,957.62
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Solution
The fourth proportional to 112,830.24, 169,264.84 and 37,957.62 is: 56,942.98
Step by Step Solution
- Step 1: Write the proportion equation
112,830.24 : 169,264.84 = 37,957.62 : x - Step 2: Convert to fraction form
112,830.24/169,264.84 = 37,957.62/x - Step 3: Cross multiply
112,830.24x = 169,264.84 × 37,957.62 - Step 4: Simplify right side
112,830.24x = 6,424,890,476.08 - Step 5: Solve for x
x = 6,424,890,476.08/112,830.24 - Step 6: Final answer
x = 56,942.98
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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.