Finding the Fourth Proportional to 85,035.12, 127,473.97 and 37,625.09
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Solution
The fourth proportional to 85,035.12, 127,473.97 and 37,625.09 is: 56,402.81
Step by Step Solution
- Step 1: Write the proportion equation
85,035.12 : 127,473.97 = 37,625.09 : x - Step 2: Convert to fraction form
85,035.12/127,473.97 = 37,625.09/x - Step 3: Cross multiply
85,035.12x = 127,473.97 × 37,625.09 - Step 4: Simplify right side
85,035.12x = 4,796,219,593.91 - Step 5: Solve for x
x = 4,796,219,593.91/85,035.12 - Step 6: Final answer
x = 56,402.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.