Finding the Fourth Proportional to 93,755.16, 129,382.44 and 50,734.65
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Solution
The fourth proportional to 93,755.16, 129,382.44 and 50,734.65 is: 70,013.99
Step by Step Solution
- Step 1: Write the proportion equation
93,755.16 : 129,382.44 = 50,734.65 : x - Step 2: Convert to fraction form
93,755.16/129,382.44 = 50,734.65/x - Step 3: Cross multiply
93,755.16x = 129,382.44 × 50,734.65 - Step 4: Simplify right side
93,755.16x = 6,564,172,809.55 - Step 5: Solve for x
x = 6,564,172,809.55/93,755.16 - Step 6: Final answer
x = 70,013.99
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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.