Finding the Fourth Proportional to 74,786.49, 103,153.97 and 44,548.52
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Solution
The fourth proportional to 74,786.49, 103,153.97 and 44,548.52 is: 61,446.34
Step by Step Solution
- Step 1: Write the proportion equation
74,786.49 : 103,153.97 = 44,548.52 : x - Step 2: Convert to fraction form
74,786.49/103,153.97 = 44,548.52/x - Step 3: Cross multiply
74,786.49x = 103,153.97 × 44,548.52 - Step 4: Simplify right side
74,786.49x = 4,595,356,291.23 - Step 5: Solve for x
x = 4,595,356,291.23/74,786.49 - Step 6: Final answer
x = 61,446.34
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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.