Finding the Fourth Proportional to 77,051.08, 115,610.01 and 27,166.81
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Solution
The fourth proportional to 77,051.08, 115,610.01 and 27,166.81 is: 40,761.99
Step by Step Solution
- Step 1: Write the proportion equation
77,051.08 : 115,610.01 = 27,166.81 : x - Step 2: Convert to fraction form
77,051.08/115,610.01 = 27,166.81/x - Step 3: Cross multiply
77,051.08x = 115,610.01 × 27,166.81 - Step 4: Simplify right side
77,051.08x = 3,140,755,175.77 - Step 5: Solve for x
x = 3,140,755,175.77/77,051.08 - Step 6: Final answer
x = 40,761.99
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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.