Finding the Fourth Proportional to 74,286.24, 111,445.76 and 27,539.11
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Solution
The fourth proportional to 74,286.24, 111,445.76 and 27,539.11 is: 41,314.75
Step by Step Solution
- Step 1: Write the proportion equation
74,286.24 : 111,445.76 = 27,539.11 : x - Step 2: Convert to fraction form
74,286.24/111,445.76 = 27,539.11/x - Step 3: Cross multiply
74,286.24x = 111,445.76 × 27,539.11 - Step 4: Simplify right side
74,286.24x = 3,069,117,045.29 - Step 5: Solve for x
x = 3,069,117,045.29/74,286.24 - Step 6: Final answer
x = 41,314.75
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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.