Finding the Fourth Proportional to 75,545.64, 104,274.96 and 50,395.08
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Solution
The fourth proportional to 75,545.64, 104,274.96 and 50,395.08 is: 69,559.87
Step by Step Solution
- Step 1: Write the proportion equation
75,545.64 : 104,274.96 = 50,395.08 : x - Step 2: Convert to fraction form
75,545.64/104,274.96 = 50,395.08/x - Step 3: Cross multiply
75,545.64x = 104,274.96 × 50,395.08 - Step 4: Simplify right side
75,545.64x = 5,254,944,951.20 - Step 5: Solve for x
x = 5,254,944,951.20/75,545.64 - Step 6: Final answer
x = 69,559.87
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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.