Finding the Fourth Proportional to 88,612.98, 122,285.48 and 48,326.01
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Solution
The fourth proportional to 88,612.98, 122,285.48 and 48,326.01 is: 66,689.66
Step by Step Solution
- Step 1: Write the proportion equation
88,612.98 : 122,285.48 = 48,326.01 : x - Step 2: Convert to fraction form
88,612.98/122,285.48 = 48,326.01/x - Step 3: Cross multiply
88,612.98x = 122,285.48 × 48,326.01 - Step 4: Simplify right side
88,612.98x = 5,909,569,087.70 - Step 5: Solve for x
x = 5,909,569,087.70/88,612.98 - Step 6: Final answer
x = 66,689.66
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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.