Finding the Fourth Proportional to 92,672.13, 127,887.68 and 50,230.65
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Solution
The fourth proportional to 92,672.13, 127,887.68 and 50,230.65 is: 69,318.37
Step by Step Solution
- Step 1: Write the proportion equation
92,672.13 : 127,887.68 = 50,230.65 : x - Step 2: Convert to fraction form
92,672.13/127,887.68 = 50,230.65/x - Step 3: Cross multiply
92,672.13x = 127,887.68 × 50,230.65 - Step 4: Simplify right side
92,672.13x = 6,423,881,042.24 - Step 5: Solve for x
x = 6,423,881,042.24/92,672.13 - Step 6: Final answer
x = 69,318.37
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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.