Finding the Fourth Proportional to 74,343.53, 102,593.82 and 40,352.02
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Solution
The fourth proportional to 74,343.53, 102,593.82 and 40,352.02 is: 55,685.65
Step by Step Solution
- Step 1: Write the proportion equation
74,343.53 : 102,593.82 = 40,352.02 : x - Step 2: Convert to fraction form
74,343.53/102,593.82 = 40,352.02/x - Step 3: Cross multiply
74,343.53x = 102,593.82 × 40,352.02 - Step 4: Simplify right side
74,343.53x = 4,139,867,876.52 - Step 5: Solve for x
x = 4,139,867,876.52/74,343.53 - Step 6: Final answer
x = 55,685.65
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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.