Finding the Fourth Proportional to 92,439.63, 127,449.25 and 62,160.62
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Solution
The fourth proportional to 92,439.63, 127,449.25 and 62,160.62 is: 85,702.68
Step by Step Solution
- Step 1: Write the proportion equation
92,439.63 : 127,449.25 = 62,160.62 : x - Step 2: Convert to fraction form
92,439.63/127,449.25 = 62,160.62/x - Step 3: Cross multiply
92,439.63x = 127,449.25 × 62,160.62 - Step 4: Simplify right side
92,439.63x = 7,922,323,605.89 - Step 5: Solve for x
x = 7,922,323,605.89/92,439.63 - Step 6: Final answer
x = 85,702.68
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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.