Finding the Fourth Proportional to 79,913.79, 119,877.17 and 26,603.84
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Solution
The fourth proportional to 79,913.79, 119,877.17 and 26,603.84 is: 39,907.92
Step by Step Solution
- Step 1: Write the proportion equation
79,913.79 : 119,877.17 = 26,603.84 : x - Step 2: Convert to fraction form
79,913.79/119,877.17 = 26,603.84/x - Step 3: Cross multiply
79,913.79x = 119,877.17 × 26,603.84 - Step 4: Simplify right side
79,913.79x = 3,189,193,217.01 - Step 5: Solve for x
x = 3,189,193,217.01/79,913.79 - Step 6: Final answer
x = 39,907.92
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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.