Finding the Fourth Proportional to 73,755.26, 110,436.06 and 38,621.06
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Solution
The fourth proportional to 73,755.26, 110,436.06 and 38,621.06 is: 57,828.52
Step by Step Solution
- Step 1: Write the proportion equation
73,755.26 : 110,436.06 = 38,621.06 : x - Step 2: Convert to fraction form
73,755.26/110,436.06 = 38,621.06/x - Step 3: Cross multiply
73,755.26x = 110,436.06 × 38,621.06 - Step 4: Simplify right side
73,755.26x = 4,265,157,699.42 - Step 5: Solve for x
x = 4,265,157,699.42/73,755.26 - Step 6: Final answer
x = 57,828.52
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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.