Finding the Fourth Proportional to 92,394.18, 127,523.75 and 58,381.07
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Solution
The fourth proportional to 92,394.18, 127,523.75 and 58,381.07 is: 80,578.38
Step by Step Solution
- Step 1: Write the proportion equation
92,394.18 : 127,523.75 = 58,381.07 : x - Step 2: Convert to fraction form
92,394.18/127,523.75 = 58,381.07/x - Step 3: Cross multiply
92,394.18x = 127,523.75 × 58,381.07 - Step 4: Simplify right side
92,394.18x = 7,444,972,975.41 - Step 5: Solve for x
x = 7,444,972,975.41/92,394.18 - Step 6: Final answer
x = 80,578.38
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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.