Finding the Fourth Proportional to 89,084.40, 122,946.84 and 51,360
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Solution
The fourth proportional to 89,084.40, 122,946.84 and 51,360 is: 70,882.78
Step by Step Solution
- Step 1: Write the proportion equation
89,084.40 : 122,946.84 = 51,360 : x - Step 2: Convert to fraction form
89,084.40/122,946.84 = 51,360/x - Step 3: Cross multiply
89,084.40x = 122,946.84 × 51,360 - Step 4: Simplify right side
89,084.40x = 6,314,549,702.40 - Step 5: Solve for x
x = 6,314,549,702.40/89,084.40 - Step 6: Final answer
x = 70,882.78
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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.