Finding the Fourth Proportional to 83,755.05, 125,605.54 and 27,581.80
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Solution
The fourth proportional to 83,755.05, 125,605.54 and 27,581.80 is: 41,363.80
Step by Step Solution
- Step 1: Write the proportion equation
83,755.05 : 125,605.54 = 27,581.80 : x - Step 2: Convert to fraction form
83,755.05/125,605.54 = 27,581.80/x - Step 3: Cross multiply
83,755.05x = 125,605.54 × 27,581.80 - Step 4: Simplify right side
83,755.05x = 3,464,426,883.17 - Step 5: Solve for x
x = 3,464,426,883.17/83,755.05 - Step 6: Final answer
x = 41,363.80
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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.