Finding the Fourth Proportional to 74,614.24, 102,936.80 and 44,393.52
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Solution
The fourth proportional to 74,614.24, 102,936.80 and 44,393.52 is: 61,244.70
Step by Step Solution
- Step 1: Write the proportion equation
74,614.24 : 102,936.80 = 44,393.52 : x - Step 2: Convert to fraction form
74,614.24/102,936.80 = 44,393.52/x - Step 3: Cross multiply
74,614.24x = 102,936.80 × 44,393.52 - Step 4: Simplify right side
74,614.24x = 4,569,726,889.54 - Step 5: Solve for x
x = 4,569,726,889.54/74,614.24 - Step 6: Final answer
x = 61,244.70
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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.