Finding the Fourth Proportional to 76,876.67, 115,320.95 and 29,514.53
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Solution
The fourth proportional to 76,876.67, 115,320.95 and 29,514.53 is: 44,274.08
Step by Step Solution
- Step 1: Write the proportion equation
76,876.67 : 115,320.95 = 29,514.53 : x - Step 2: Convert to fraction form
76,876.67/115,320.95 = 29,514.53/x - Step 3: Cross multiply
76,876.67x = 115,320.95 × 29,514.53 - Step 4: Simplify right side
76,876.67x = 3,403,643,638.40 - Step 5: Solve for x
x = 3,403,643,638.40/76,876.67 - Step 6: Final answer
x = 44,274.08
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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.