Finding the Fourth Proportional to 76,656.84, 114,985.77 and 26,736.75
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Solution
The fourth proportional to 76,656.84, 114,985.77 and 26,736.75 is: 40,105.30
Step by Step Solution
- Step 1: Write the proportion equation
76,656.84 : 114,985.77 = 26,736.75 : x - Step 2: Convert to fraction form
76,656.84/114,985.77 = 26,736.75/x - Step 3: Cross multiply
76,656.84x = 114,985.77 × 26,736.75 - Step 4: Simplify right side
76,656.84x = 3,074,345,786.05 - Step 5: Solve for x
x = 3,074,345,786.05/76,656.84 - Step 6: Final answer
x = 40,105.30
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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.