Finding the Fourth Proportional to 91,432.24, 126,125.70 and 53,187.48
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Solution
The fourth proportional to 91,432.24, 126,125.70 and 53,187.48 is: 73,369.18
Step by Step Solution
- Step 1: Write the proportion equation
91,432.24 : 126,125.70 = 53,187.48 : x - Step 2: Convert to fraction form
91,432.24/126,125.70 = 53,187.48/x - Step 3: Cross multiply
91,432.24x = 126,125.70 × 53,187.48 - Step 4: Simplify right side
91,432.24x = 6,708,308,146.24 - Step 5: Solve for x
x = 6,708,308,146.24/91,432.24 - Step 6: Final answer
x = 73,369.18
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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.