Finding the Fourth Proportional to 74,006.06, 102,126.84 and 40,472.06
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Solution
The fourth proportional to 74,006.06, 102,126.84 and 40,472.06 is: 55,850.61
Step by Step Solution
- Step 1: Write the proportion equation
74,006.06 : 102,126.84 = 40,472.06 : x - Step 2: Convert to fraction form
74,006.06/102,126.84 = 40,472.06/x - Step 3: Cross multiply
74,006.06x = 102,126.84 × 40,472.06 - Step 4: Simplify right side
74,006.06x = 4,133,283,596.09 - Step 5: Solve for x
x = 4,133,283,596.09/74,006.06 - Step 6: Final answer
x = 55,850.61
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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.