Finding the Fourth Proportional to 74,972.61, 103,469.67 and 44,757.63
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Solution
The fourth proportional to 74,972.61, 103,469.67 and 44,757.63 is: 61,769.99
Step by Step Solution
- Step 1: Write the proportion equation
74,972.61 : 103,469.67 = 44,757.63 : x - Step 2: Convert to fraction form
74,972.61/103,469.67 = 44,757.63/x - Step 3: Cross multiply
74,972.61x = 103,469.67 × 44,757.63 - Step 4: Simplify right side
74,972.61x = 4,631,057,206.08 - Step 5: Solve for x
x = 4,631,057,206.08/74,972.61 - Step 6: Final answer
x = 61,769.99
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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.