Finding the Fourth Proportional to 76,504.28, 114,950.17 and 48,437.53
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Solution
The fourth proportional to 76,504.28, 114,950.17 and 48,437.53 is: 72,778.96
Step by Step Solution
- Step 1: Write the proportion equation
76,504.28 : 114,950.17 = 48,437.53 : x - Step 2: Convert to fraction form
76,504.28/114,950.17 = 48,437.53/x - Step 3: Cross multiply
76,504.28x = 114,950.17 × 48,437.53 - Step 4: Simplify right side
76,504.28x = 5,567,902,307.88 - Step 5: Solve for x
x = 5,567,902,307.88/76,504.28 - Step 6: Final answer
x = 72,778.96
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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.