Finding the Fourth Proportional to 74,362.32, 102,615.12 and 44,146.08
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Solution
The fourth proportional to 74,362.32, 102,615.12 and 44,146.08 is: 60,918.69
Step by Step Solution
- Step 1: Write the proportion equation
74,362.32 : 102,615.12 = 44,146.08 : x - Step 2: Convert to fraction form
74,362.32/102,615.12 = 44,146.08/x - Step 3: Cross multiply
74,362.32x = 102,615.12 × 44,146.08 - Step 4: Simplify right side
74,362.32x = 4,530,055,296.73 - Step 5: Solve for x
x = 4,530,055,296.73/74,362.32 - Step 6: Final answer
x = 60,918.69
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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.