Finding the Fourth Proportional to 74,883.84, 103,339.20 and 41,350.08
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Solution
The fourth proportional to 74,883.84, 103,339.20 and 41,350.08 is: 57,062.83
Step by Step Solution
- Step 1: Write the proportion equation
74,883.84 : 103,339.20 = 41,350.08 : x - Step 2: Convert to fraction form
74,883.84/103,339.20 = 41,350.08/x - Step 3: Cross multiply
74,883.84x = 103,339.20 × 41,350.08 - Step 4: Simplify right side
74,883.84x = 4,273,084,187.14 - Step 5: Solve for x
x = 4,273,084,187.14/74,883.84 - Step 6: Final answer
x = 57,062.83
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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.