Finding the Fourth Proportional to 88,702.26, 122,409.10 and 60,457.28
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Solution
The fourth proportional to 88,702.26, 122,409.10 and 60,457.28 is: 83,431.03
Step by Step Solution
- Step 1: Write the proportion equation
88,702.26 : 122,409.10 = 60,457.28 : x - Step 2: Convert to fraction form
88,702.26/122,409.10 = 60,457.28/x - Step 3: Cross multiply
88,702.26x = 122,409.10 × 60,457.28 - Step 4: Simplify right side
88,702.26x = 7,400,521,233.25 - Step 5: Solve for x
x = 7,400,521,233.25/88,702.26 - Step 6: Final answer
x = 83,431.03
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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.