Finding the Fourth Proportional to 85,965.68, 118,625.64 and 48,239.12
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Solution
The fourth proportional to 85,965.68, 118,625.64 and 48,239.12 is: 66,566.06
Step by Step Solution
- Step 1: Write the proportion equation
85,965.68 : 118,625.64 = 48,239.12 : x - Step 2: Convert to fraction form
85,965.68/118,625.64 = 48,239.12/x - Step 3: Cross multiply
85,965.68x = 118,625.64 × 48,239.12 - Step 4: Simplify right side
85,965.68x = 5,722,396,483.04 - Step 5: Solve for x
x = 5,722,396,483.04/85,965.68 - Step 6: Final answer
x = 66,566.06
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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.