Finding the Fourth Proportional to 74,125.84, 102,293.96 and 40,591.84
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Solution
The fourth proportional to 74,125.84, 102,293.96 and 40,591.84 is: 56,016.90
Step by Step Solution
- Step 1: Write the proportion equation
74,125.84 : 102,293.96 = 40,591.84 : x - Step 2: Convert to fraction form
74,125.84/102,293.96 = 40,591.84/x - Step 3: Cross multiply
74,125.84x = 102,293.96 × 40,591.84 - Step 4: Simplify right side
74,125.84x = 4,152,300,057.29 - Step 5: Solve for x
x = 4,152,300,057.29/74,125.84 - Step 6: Final answer
x = 56,016.90
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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.