Finding the Fourth Proportional to 88,581.48, 122,211.93 and 61,714.19
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Solution
The fourth proportional to 88,581.48, 122,211.93 and 61,714.19 is: 85,144.32
Step by Step Solution
- Step 1: Write the proportion equation
88,581.48 : 122,211.93 = 61,714.19 : x - Step 2: Convert to fraction form
88,581.48/122,211.93 = 61,714.19/x - Step 3: Cross multiply
88,581.48x = 122,211.93 × 61,714.19 - Step 4: Simplify right side
88,581.48x = 7,542,209,657.23 - Step 5: Solve for x
x = 7,542,209,657.23/88,581.48 - Step 6: Final answer
x = 85,144.32
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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.