Finding the Fourth Proportional to 74,101.75, 102,260.42 and 40,567.75
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Solution
The fourth proportional to 74,101.75, 102,260.42 and 40,567.75 is: 55,983.50
Step by Step Solution
- Step 1: Write the proportion equation
74,101.75 : 102,260.42 = 40,567.75 : x - Step 2: Convert to fraction form
74,101.75/102,260.42 = 40,567.75/x - Step 3: Cross multiply
74,101.75x = 102,260.42 × 40,567.75 - Step 4: Simplify right side
74,101.75x = 4,148,475,153.46 - Step 5: Solve for x
x = 4,148,475,153.46/74,101.75 - Step 6: Final answer
x = 55,983.50
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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.