Finding the Fourth Proportional to 88,408.18, 122,006.50 and 48,119.99
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Solution
The fourth proportional to 88,408.18, 122,006.50 and 48,119.99 is: 66,407.34
Step by Step Solution
- Step 1: Write the proportion equation
88,408.18 : 122,006.50 = 48,119.99 : x - Step 2: Convert to fraction form
88,408.18/122,006.50 = 48,119.99/x - Step 3: Cross multiply
88,408.18x = 122,006.50 × 48,119.99 - Step 4: Simplify right side
88,408.18x = 5,870,951,559.94 - Step 5: Solve for x
x = 5,870,951,559.94/88,408.18 - Step 6: Final answer
x = 66,407.34
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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.