Finding the Fourth Proportional to 74,626.08, 102,985.20 and 41,092.08
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Solution
The fourth proportional to 74,626.08, 102,985.20 and 41,092.08 is: 56,707.74
Step by Step Solution
- Step 1: Write the proportion equation
74,626.08 : 102,985.20 = 41,092.08 : x - Step 2: Convert to fraction form
74,626.08/102,985.20 = 41,092.08/x - Step 3: Cross multiply
74,626.08x = 102,985.20 × 41,092.08 - Step 4: Simplify right side
74,626.08x = 4,231,876,077.22 - Step 5: Solve for x
x = 4,231,876,077.22/74,626.08 - Step 6: Final answer
x = 56,707.74
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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.