Finding the Fourth Proportional to 92,583.75, 127,730.34 and 68,442.68
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Solution
The fourth proportional to 92,583.75, 127,730.34 and 68,442.68 is: 94,424.84
Step by Step Solution
- Step 1: Write the proportion equation
92,583.75 : 127,730.34 = 68,442.68 : x - Step 2: Convert to fraction form
92,583.75/127,730.34 = 68,442.68/x - Step 3: Cross multiply
92,583.75x = 127,730.34 × 68,442.68 - Step 4: Simplify right side
92,583.75x = 8,742,206,148.26 - Step 5: Solve for x
x = 8,742,206,148.26/92,583.75 - Step 6: Final answer
x = 94,424.84
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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.