Finding the Fourth Proportional to 79,250.93, 109,377.49 and 49,045.99
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Solution
The fourth proportional to 79,250.93, 109,377.49 and 49,045.99 is: 67,690.40
Step by Step Solution
- Step 1: Write the proportion equation
79,250.93 : 109,377.49 = 49,045.99 : x - Step 2: Convert to fraction form
79,250.93/109,377.49 = 49,045.99/x - Step 3: Cross multiply
79,250.93x = 109,377.49 × 49,045.99 - Step 4: Simplify right side
79,250.93x = 5,364,527,280.77 - Step 5: Solve for x
x = 5,364,527,280.77/79,250.93 - Step 6: Final answer
x = 67,690.40
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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.