Finding the Fourth Proportional to 74,141.26, 102,307.25 and 41,873.09
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Solution
The fourth proportional to 74,141.26, 102,307.25 and 41,873.09 is: 57,780.52
Step by Step Solution
- Step 1: Write the proportion equation
74,141.26 : 102,307.25 = 41,873.09 : x - Step 2: Convert to fraction form
74,141.26/102,307.25 = 41,873.09/x - Step 3: Cross multiply
74,141.26x = 102,307.25 × 41,873.09 - Step 4: Simplify right side
74,141.26x = 4,283,920,280.05 - Step 5: Solve for x
x = 4,283,920,280.05/74,141.26 - Step 6: Final answer
x = 57,780.52
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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.