Finding the Fourth Proportional to 91,182.21, 125,852.45 and 53,468.61
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Solution
The fourth proportional to 91,182.21, 125,852.45 and 53,468.61 is: 73,798.99
Step by Step Solution
- Step 1: Write the proportion equation
91,182.21 : 125,852.45 = 53,468.61 : x - Step 2: Convert to fraction form
91,182.21/125,852.45 = 53,468.61/x - Step 3: Cross multiply
91,182.21x = 125,852.45 × 53,468.61 - Step 4: Simplify right side
91,182.21x = 6,729,155,299.25 - Step 5: Solve for x
x = 6,729,155,299.25/91,182.21 - Step 6: Final answer
x = 73,798.99
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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.