Finding the Fourth Proportional to 75,766.09, 104,531.81 and 48,926.74
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Solution
The fourth proportional to 75,766.09, 104,531.81 and 48,926.74 is: 67,502.50
Step by Step Solution
- Step 1: Write the proportion equation
75,766.09 : 104,531.81 = 48,926.74 : x - Step 2: Convert to fraction form
75,766.09/104,531.81 = 48,926.74/x - Step 3: Cross multiply
75,766.09x = 104,531.81 × 48,926.74 - Step 4: Simplify right side
75,766.09x = 5,114,400,166.94 - Step 5: Solve for x
x = 5,114,400,166.94/75,766.09 - Step 6: Final answer
x = 67,502.50
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1.5x scale
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.