Finding the Fourth Proportional to 88,490.54, 122,115.84 and 48,204.14
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Solution
The fourth proportional to 88,490.54, 122,115.84 and 48,204.14 is: 66,521.11
Step by Step Solution
- Step 1: Write the proportion equation
88,490.54 : 122,115.84 = 48,204.14 : x - Step 2: Convert to fraction form
88,490.54/122,115.84 = 48,204.14/x - Step 3: Cross multiply
88,490.54x = 122,115.84 × 48,204.14 - Step 4: Simplify right side
88,490.54x = 5,886,489,047.58 - Step 5: Solve for x
x = 5,886,489,047.58/88,490.54 - Step 6: Final answer
x = 66,521.11
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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.