Finding the Fourth Proportional to 75,326.05, 103,949.12 and 41,334.81
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Solution
The fourth proportional to 75,326.05, 103,949.12 and 41,334.81 is: 57,041.58
Step by Step Solution
- Step 1: Write the proportion equation
75,326.05 : 103,949.12 = 41,334.81 : x - Step 2: Convert to fraction form
75,326.05/103,949.12 = 41,334.81/x - Step 3: Cross multiply
75,326.05x = 103,949.12 × 41,334.81 - Step 4: Simplify right side
75,326.05x = 4,296,716,838.40 - Step 5: Solve for x
x = 4,296,716,838.40/75,326.05 - Step 6: Final answer
x = 57,041.58
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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.