Finding the Fourth Proportional to 88,778.33, 122,513.28 and 48,492.09
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Solution
The fourth proportional to 88,778.33, 122,513.28 and 48,492.09 is: 66,918.63
Step by Step Solution
- Step 1: Write the proportion equation
88,778.33 : 122,513.28 = 48,492.09 : x - Step 2: Convert to fraction form
88,778.33/122,513.28 = 48,492.09/x - Step 3: Cross multiply
88,778.33x = 122,513.28 × 48,492.09 - Step 4: Simplify right side
88,778.33x = 5,940,924,387.39 - Step 5: Solve for x
x = 5,940,924,387.39/88,778.33 - Step 6: Final answer
x = 66,918.63
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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.