Finding the Fourth Proportional to 91,501.13, 126,265.70 and 51,208.09
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Solution
The fourth proportional to 91,501.13, 126,265.70 and 51,208.09 is: 70,663.89
Step by Step Solution
- Step 1: Write the proportion equation
91,501.13 : 126,265.70 = 51,208.09 : x - Step 2: Convert to fraction form
91,501.13/126,265.70 = 51,208.09/x - Step 3: Cross multiply
91,501.13x = 126,265.70 × 51,208.09 - Step 4: Simplify right side
91,501.13x = 6,465,825,329.51 - Step 5: Solve for x
x = 6,465,825,329.51/91,501.13 - Step 6: Final answer
x = 70,663.89
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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.