Finding the Fourth Proportional to 74,083.24, 102,228.42 and 41,816.08
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Solution
The fourth proportional to 74,083.24, 102,228.42 and 41,816.08 is: 57,702.55
Step by Step Solution
- Step 1: Write the proportion equation
74,083.24 : 102,228.42 = 41,816.08 : x - Step 2: Convert to fraction form
74,083.24/102,228.42 = 41,816.08/x - Step 3: Cross multiply
74,083.24x = 102,228.42 × 41,816.08 - Step 4: Simplify right side
74,083.24x = 4,274,791,788.99 - Step 5: Solve for x
x = 4,274,791,788.99/74,083.24 - Step 6: Final answer
x = 57,702.55
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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.