Finding the Fourth Proportional to 76,770.44, 115,129.94 and 29,374.51
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Solution
The fourth proportional to 76,770.44, 115,129.94 and 29,374.51 is: 44,051.92
Step by Step Solution
- Step 1: Write the proportion equation
76,770.44 : 115,129.94 = 29,374.51 : x - Step 2: Convert to fraction form
76,770.44/115,129.94 = 29,374.51/x - Step 3: Cross multiply
76,770.44x = 115,129.94 × 29,374.51 - Step 4: Simplify right side
76,770.44x = 3,381,884,998.18 - Step 5: Solve for x
x = 3,381,884,998.18/76,770.44 - Step 6: Final answer
x = 44,051.92
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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.