Finding the Fourth Proportional to 75,766.22, 104,531.99 and 48,926.87
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Solution
The fourth proportional to 75,766.22, 104,531.99 and 48,926.87 is: 67,502.68
Step by Step Solution
- Step 1: Write the proportion equation
75,766.22 : 104,531.99 = 48,926.87 : x - Step 2: Convert to fraction form
75,766.22/104,531.99 = 48,926.87/x - Step 3: Cross multiply
75,766.22x = 104,531.99 × 48,926.87 - Step 4: Simplify right side
75,766.22x = 5,114,422,318.28 - Step 5: Solve for x
x = 5,114,422,318.28/75,766.22 - Step 6: Final answer
x = 67,502.68
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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.