Finding the Fourth Proportional to 91,536.12, 126,313.72 and 51,243.08
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Solution
The fourth proportional to 91,536.12, 126,313.72 and 51,243.08 is: 70,712.02
Step by Step Solution
- Step 1: Write the proportion equation
91,536.12 : 126,313.72 = 51,243.08 : x - Step 2: Convert to fraction form
91,536.12/126,313.72 = 51,243.08/x - Step 3: Cross multiply
91,536.12x = 126,313.72 × 51,243.08 - Step 4: Simplify right side
91,536.12x = 6,472,704,059.06 - Step 5: Solve for x
x = 6,472,704,059.06/91,536.12 - Step 6: Final answer
x = 70,712.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.