Finding the Fourth Proportional to 76,677.36, 114,862.87 and 60,909.09
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Solution
The fourth proportional to 76,677.36, 114,862.87 and 60,909.09 is: 91,241.96
Step by Step Solution
- Step 1: Write the proportion equation
76,677.36 : 114,862.87 = 60,909.09 : x - Step 2: Convert to fraction form
76,677.36/114,862.87 = 60,909.09/x - Step 3: Cross multiply
76,677.36x = 114,862.87 × 60,909.09 - Step 4: Simplify right side
76,677.36x = 6,996,192,886.49 - Step 5: Solve for x
x = 6,996,192,886.49/76,677.36 - Step 6: Final answer
x = 91,241.96
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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.