Finding the Fourth Proportional to 76,677.11, 114,862.50 and 60,908.84
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Solution
The fourth proportional to 76,677.11, 114,862.50 and 60,908.84 is: 91,241.59
Step by Step Solution
- Step 1: Write the proportion equation
76,677.11 : 114,862.50 = 60,908.84 : x - Step 2: Convert to fraction form
76,677.11/114,862.50 = 60,908.84/x - Step 3: Cross multiply
76,677.11x = 114,862.50 × 60,908.84 - Step 4: Simplify right side
76,677.11x = 6,996,141,060.19 - Step 5: Solve for x
x = 6,996,141,060.19/76,677.11 - Step 6: Final answer
x = 91,241.59
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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.