Finding the Fourth Proportional to 103,621.68, 155,394.45 and 37,043.73
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Solution
The fourth proportional to 103,621.68, 155,394.45 and 37,043.73 is: 55,551.99
Step by Step Solution
- Step 1: Write the proportion equation
103,621.68 : 155,394.45 = 37,043.73 : x - Step 2: Convert to fraction form
103,621.68/155,394.45 = 37,043.73/x - Step 3: Cross multiply
103,621.68x = 155,394.45 × 37,043.73 - Step 4: Simplify right side
103,621.68x = 5,756,390,049.30 - Step 5: Solve for x
x = 5,756,390,049.30/103,621.68 - Step 6: Final answer
x = 55,551.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.