Finding the Fourth Proportional to 76,283.88, 114,425.81 and 29,536.75
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Solution
The fourth proportional to 76,283.88, 114,425.81 and 29,536.75 is: 44,305.12
Step by Step Solution
- Step 1: Write the proportion equation
76,283.88 : 114,425.81 = 29,536.75 : x - Step 2: Convert to fraction form
76,283.88/114,425.81 = 29,536.75/x - Step 3: Cross multiply
76,283.88x = 114,425.81 × 29,536.75 - Step 4: Simplify right side
76,283.88x = 3,379,766,543.52 - Step 5: Solve for x
x = 3,379,766,543.52/76,283.88 - Step 6: Final answer
x = 44,305.12
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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.