Finding the Fourth Proportional to 73,445.18, 101,354.10 and 41,620.14
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Solution
The fourth proportional to 73,445.18, 101,354.10 and 41,620.14 is: 57,435.65
Step by Step Solution
- Step 1: Write the proportion equation
73,445.18 : 101,354.10 = 41,620.14 : x - Step 2: Convert to fraction form
73,445.18/101,354.10 = 41,620.14/x - Step 3: Cross multiply
73,445.18x = 101,354.10 × 41,620.14 - Step 4: Simplify right side
73,445.18x = 4,218,371,831.57 - Step 5: Solve for x
x = 4,218,371,831.57/73,445.18 - Step 6: Final answer
x = 57,435.65
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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.