Finding the Fourth Proportional to 91,533.08, 126,315.96 and 51,246.92
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Solution
The fourth proportional to 91,533.08, 126,315.96 and 51,246.92 is: 70,720.92
Step by Step Solution
- Step 1: Write the proportion equation
91,533.08 : 126,315.96 = 51,246.92 : x - Step 2: Convert to fraction form
91,533.08/126,315.96 = 51,246.92/x - Step 3: Cross multiply
91,533.08x = 126,315.96 × 51,246.92 - Step 4: Simplify right side
91,533.08x = 6,473,303,896.84 - Step 5: Solve for x
x = 6,473,303,896.84/91,533.08 - Step 6: Final answer
x = 70,720.92
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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.