Finding the Fourth Proportional to 91,346.81, 126,060.44 and 50,510.99
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Solution
The fourth proportional to 91,346.81, 126,060.44 and 50,510.99 is: 69,706.19
Step by Step Solution
- Step 1: Write the proportion equation
91,346.81 : 126,060.44 = 50,510.99 : x - Step 2: Convert to fraction form
91,346.81/126,060.44 = 50,510.99/x - Step 3: Cross multiply
91,346.81x = 126,060.44 × 50,510.99 - Step 4: Simplify right side
91,346.81x = 6,367,437,686.83 - Step 5: Solve for x
x = 6,367,437,686.83/91,346.81 - Step 6: Final answer
x = 69,706.19
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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.