Finding the Fourth Proportional to 74,367.36, 102,625.68 and 40,833.12
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Solution
The fourth proportional to 74,367.36, 102,625.68 and 40,833.12 is: 56,349.00
Step by Step Solution
- Step 1: Write the proportion equation
74,367.36 : 102,625.68 = 40,833.12 : x - Step 2: Convert to fraction form
74,367.36/102,625.68 = 40,833.12/x - Step 3: Cross multiply
74,367.36x = 102,625.68 × 40,833.12 - Step 4: Simplify right side
74,367.36x = 4,190,526,706.52 - Step 5: Solve for x
x = 4,190,526,706.52/74,367.36 - Step 6: Final answer
x = 56,349.00
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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.