Finding the Fourth Proportional to 88,999.26, 122,817.12 and 48,712.08
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Solution
The fourth proportional to 88,999.26, 122,817.12 and 48,712.08 is: 67,221.65
Step by Step Solution
- Step 1: Write the proportion equation
88,999.26 : 122,817.12 = 48,712.08 : x - Step 2: Convert to fraction form
88,999.26/122,817.12 = 48,712.08/x - Step 3: Cross multiply
88,999.26x = 122,817.12 × 48,712.08 - Step 4: Simplify right side
88,999.26x = 5,982,677,374.81 - Step 5: Solve for x
x = 5,982,677,374.81/88,999.26 - Step 6: Final answer
x = 67,221.65
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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.