Finding the Fourth Proportional to 75,518.15, 104,212.84 and 41,526.60
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Solution
The fourth proportional to 75,518.15, 104,212.84 and 41,526.60 is: 57,305.50
Step by Step Solution
- Step 1: Write the proportion equation
75,518.15 : 104,212.84 = 41,526.60 : x - Step 2: Convert to fraction form
75,518.15/104,212.84 = 41,526.60/x - Step 3: Cross multiply
75,518.15x = 104,212.84 × 41,526.60 - Step 4: Simplify right side
75,518.15x = 4,327,604,856.29 - Step 5: Solve for x
x = 4,327,604,856.29/75,518.15 - Step 6: Final answer
x = 57,305.50
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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.