Finding the Fourth Proportional to 75,766.50, 104,558.49 and 41,776.20
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Solution
The fourth proportional to 75,766.50, 104,558.49 and 41,776.20 is: 57,651.55
Step by Step Solution
- Step 1: Write the proportion equation
75,766.50 : 104,558.49 = 41,776.20 : x - Step 2: Convert to fraction form
75,766.50/104,558.49 = 41,776.20/x - Step 3: Cross multiply
75,766.50x = 104,558.49 × 41,776.20 - Step 4: Simplify right side
75,766.50x = 4,368,056,389.94 - Step 5: Solve for x
x = 4,368,056,389.94/75,766.50 - Step 6: Final answer
x = 57,651.55
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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.