Finding the Fourth Proportional to 85,881.49, 118,517.11 and 47,119.05
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Solution
The fourth proportional to 85,881.49, 118,517.11 and 47,119.05 is: 65,024.65
Step by Step Solution
- Step 1: Write the proportion equation
85,881.49 : 118,517.11 = 47,119.05 : x - Step 2: Convert to fraction form
85,881.49/118,517.11 = 47,119.05/x - Step 3: Cross multiply
85,881.49x = 118,517.11 × 47,119.05 - Step 4: Simplify right side
85,881.49x = 5,584,413,514.15 - Step 5: Solve for x
x = 5,584,413,514.15/85,881.49 - Step 6: Final answer
x = 65,024.65
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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.