Finding the Fourth Proportional to 88,989.76, 122,804.22 and 48,702.70
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Solution
The fourth proportional to 88,989.76, 122,804.22 and 48,702.70 is: 67,208.82
Step by Step Solution
- Step 1: Write the proportion equation
88,989.76 : 122,804.22 = 48,702.70 : x - Step 2: Convert to fraction form
88,989.76/122,804.22 = 48,702.70/x - Step 3: Cross multiply
88,989.76x = 122,804.22 × 48,702.70 - Step 4: Simplify right side
88,989.76x = 5,980,897,085.39 - Step 5: Solve for x
x = 5,980,897,085.39/88,989.76 - Step 6: Final answer
x = 67,208.82
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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.