Finding the Fourth Proportional to 88,487.19, 122,109.62 and 48,200.31
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Solution
The fourth proportional to 88,487.19, 122,109.62 and 48,200.31 is: 66,514.95
Step by Step Solution
- Step 1: Write the proportion equation
88,487.19 : 122,109.62 = 48,200.31 : x - Step 2: Convert to fraction form
88,487.19/122,109.62 = 48,200.31/x - Step 3: Cross multiply
88,487.19x = 122,109.62 × 48,200.31 - Step 4: Simplify right side
88,487.19x = 5,885,721,296.98 - Step 5: Solve for x
x = 5,885,721,296.98/88,487.19 - Step 6: Final answer
x = 66,514.95
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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.