Finding the Fourth Proportional to 85,774.22, 118,104.26 and 76,197.44
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Solution
The fourth proportional to 85,774.22, 118,104.26 and 76,197.44 is: 104,917.80
Step by Step Solution
- Step 1: Write the proportion equation
85,774.22 : 118,104.26 = 76,197.44 : x - Step 2: Convert to fraction form
85,774.22/118,104.26 = 76,197.44/x - Step 3: Cross multiply
85,774.22x = 118,104.26 × 76,197.44 - Step 4: Simplify right side
85,774.22x = 8,999,242,265.09 - Step 5: Solve for x
x = 8,999,242,265.09/85,774.22 - Step 6: Final answer
x = 104,917.80
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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.