Finding the Fourth Proportional to 76,692.08, 115,090.68 and 26,772.19
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Solution
The fourth proportional to 76,692.08, 115,090.68 and 26,772.19 is: 40,176.63
Step by Step Solution
- Step 1: Write the proportion equation
76,692.08 : 115,090.68 = 26,772.19 : x - Step 2: Convert to fraction form
76,692.08/115,090.68 = 26,772.19/x - Step 3: Cross multiply
76,692.08x = 115,090.68 × 26,772.19 - Step 4: Simplify right side
76,692.08x = 3,081,229,552.19 - Step 5: Solve for x
x = 3,081,229,552.19/76,692.08 - Step 6: Final answer
x = 40,176.63
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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.