Finding the Fourth Proportional to 92,600.38, 127,788.09 and 50,158.99
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Solution
The fourth proportional to 92,600.38, 127,788.09 and 50,158.99 is: 69,219.17
Step by Step Solution
- Step 1: Write the proportion equation
92,600.38 : 127,788.09 = 50,158.99 : x - Step 2: Convert to fraction form
92,600.38/127,788.09 = 50,158.99/x - Step 3: Cross multiply
92,600.38x = 127,788.09 × 50,158.99 - Step 4: Simplify right side
92,600.38x = 6,409,721,528.43 - Step 5: Solve for x
x = 6,409,721,528.43/92,600.38 - Step 6: Final answer
x = 69,219.17
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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.