Finding the Fourth Proportional to 75,953.67, 113,920.47 and 19,797.87
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Solution
The fourth proportional to 75,953.67, 113,920.47 and 19,797.87 is: 29,694.19
Step by Step Solution
- Step 1: Write the proportion equation
75,953.67 : 113,920.47 = 19,797.87 : x - Step 2: Convert to fraction form
75,953.67/113,920.47 = 19,797.87/x - Step 3: Cross multiply
75,953.67x = 113,920.47 × 19,797.87 - Step 4: Simplify right side
75,953.67x = 2,255,382,655.40 - Step 5: Solve for x
x = 2,255,382,655.40/75,953.67 - Step 6: Final answer
x = 29,694.19
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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.