Finding the Fourth Proportional to 74,017.26, 102,177.18 and 47,195.82
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Solution
The fourth proportional to 74,017.26, 102,177.18 and 47,195.82 is: 65,151.50
Step by Step Solution
- Step 1: Write the proportion equation
74,017.26 : 102,177.18 = 47,195.82 : x - Step 2: Convert to fraction form
74,017.26/102,177.18 = 47,195.82/x - Step 3: Cross multiply
74,017.26x = 102,177.18 × 47,195.82 - Step 4: Simplify right side
74,017.26x = 4,822,335,795.39 - Step 5: Solve for x
x = 4,822,335,795.39/74,017.26 - Step 6: Final answer
x = 65,151.50
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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.