Finding the Fourth Proportional to 85,577.82, 118,102.84 and 47,852.06
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Solution
The fourth proportional to 85,577.82, 118,102.84 and 47,852.06 is: 66,038.89
Step by Step Solution
- Step 1: Write the proportion equation
85,577.82 : 118,102.84 = 47,852.06 : x - Step 2: Convert to fraction form
85,577.82/118,102.84 = 47,852.06/x - Step 3: Cross multiply
85,577.82x = 118,102.84 × 47,852.06 - Step 4: Simplify right side
85,577.82x = 5,651,464,185.85 - Step 5: Solve for x
x = 5,651,464,185.85/85,577.82 - Step 6: Final answer
x = 66,038.89
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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.