Finding the Fourth Proportional to 75,325.05, 103,949.64 and 41,332.95
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Solution
The fourth proportional to 75,325.05, 103,949.64 and 41,332.95 is: 57,040.06
Step by Step Solution
- Step 1: Write the proportion equation
75,325.05 : 103,949.64 = 41,332.95 : x - Step 2: Convert to fraction form
75,325.05/103,949.64 = 41,332.95/x - Step 3: Cross multiply
75,325.05x = 103,949.64 × 41,332.95 - Step 4: Simplify right side
75,325.05x = 4,296,545,272.64 - Step 5: Solve for x
x = 4,296,545,272.64/75,325.05 - Step 6: Final answer
x = 57,040.06
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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.