Finding the Fourth Proportional to 88,731.52, 122,449.73 and 48,445.63
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Solution
The fourth proportional to 88,731.52, 122,449.73 and 48,445.63 is: 66,855.09
Step by Step Solution
- Step 1: Write the proportion equation
88,731.52 : 122,449.73 = 48,445.63 : x - Step 2: Convert to fraction form
88,731.52/122,449.73 = 48,445.63/x - Step 3: Cross multiply
88,731.52x = 122,449.73 × 48,445.63 - Step 4: Simplify right side
88,731.52x = 5,932,153,764.83 - Step 5: Solve for x
x = 5,932,153,764.83/88,731.52 - Step 6: Final answer
x = 66,855.09
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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.