Finding the Fourth Proportional to 92,395.09, 127,505.21 and 49,953.62
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Solution
The fourth proportional to 92,395.09, 127,505.21 and 49,953.62 is: 68,935.99
Step by Step Solution
- Step 1: Write the proportion equation
92,395.09 : 127,505.21 = 49,953.62 : x - Step 2: Convert to fraction form
92,395.09/127,505.21 = 49,953.62/x - Step 3: Cross multiply
92,395.09x = 127,505.21 × 49,953.62 - Step 4: Simplify right side
92,395.09x = 6,369,346,808.36 - Step 5: Solve for x
x = 6,369,346,808.36/92,395.09 - Step 6: Final answer
x = 68,935.99
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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.