Finding the Fourth Proportional to 75,409.69, 113,095.84 and 25,488.68
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Solution
The fourth proportional to 75,409.69, 113,095.84 and 25,488.68 is: 38,226.70
Step by Step Solution
- Step 1: Write the proportion equation
75,409.69 : 113,095.84 = 25,488.68 : x - Step 2: Convert to fraction form
75,409.69/113,095.84 = 25,488.68/x - Step 3: Cross multiply
75,409.69x = 113,095.84 × 25,488.68 - Step 4: Simplify right side
75,409.69x = 2,882,663,675.09 - Step 5: Solve for x
x = 2,882,663,675.09/75,409.69 - Step 6: Final answer
x = 38,226.70
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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.