Finding the Fourth Proportional to 88,702.08, 122,412.48 and 48,418.56
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Solution
The fourth proportional to 88,702.08, 122,412.48 and 48,418.56 is: 66,819.58
Step by Step Solution
- Step 1: Write the proportion equation
88,702.08 : 122,412.48 = 48,418.56 : x - Step 2: Convert to fraction form
88,702.08/122,412.48 = 48,418.56/x - Step 3: Cross multiply
88,702.08x = 122,412.48 × 48,418.56 - Step 4: Simplify right side
88,702.08x = 5,927,036,007.63 - Step 5: Solve for x
x = 5,927,036,007.63/88,702.08 - Step 6: Final answer
x = 66,819.58
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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.