Finding the Fourth Proportional to 74,468.70, 104,022.90 and 74,468.70
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Solution
The fourth proportional to 74,468.70, 104,022.90 and 74,468.70 is: 104,022.90
Step by Step Solution
- Step 1: Write the proportion equation
74,468.70 : 104,022.90 = 74,468.70 : x - Step 2: Convert to fraction form
74,468.70/104,022.90 = 74,468.70/x - Step 3: Cross multiply
74,468.70x = 104,022.90 × 74,468.70 - Step 4: Simplify right side
74,468.70x = 7,746,450,133.23 - Step 5: Solve for x
x = 7,746,450,133.23/74,468.70 - Step 6: Final answer
x = 104,022.90
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.