Finding the Fourth Proportional to 91,953.36, 126,909.36 and 56,163.96
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Solution
The fourth proportional to 91,953.36, 126,909.36 and 56,163.96 is: 77,514.65
Step by Step Solution
- Step 1: Write the proportion equation
91,953.36 : 126,909.36 = 56,163.96 : x - Step 2: Convert to fraction form
91,953.36/126,909.36 = 56,163.96/x - Step 3: Cross multiply
91,953.36x = 126,909.36 × 56,163.96 - Step 4: Simplify right side
91,953.36x = 7,127,732,218.67 - Step 5: Solve for x
x = 7,127,732,218.67/91,953.36 - Step 6: Final answer
x = 77,514.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.