Finding the Fourth Proportional to 90,846.69, 125,357.97 and 52,606.99
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Solution
The fourth proportional to 90,846.69, 125,357.97 and 52,606.99 is: 72,591.59
Step by Step Solution
- Step 1: Write the proportion equation
90,846.69 : 125,357.97 = 52,606.99 : x - Step 2: Convert to fraction form
90,846.69/125,357.97 = 52,606.99/x - Step 3: Cross multiply
90,846.69x = 125,357.97 × 52,606.99 - Step 4: Simplify right side
90,846.69x = 6,594,705,474.21 - Step 5: Solve for x
x = 6,594,705,474.21/90,846.69 - Step 6: Final answer
x = 72,591.59
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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.