Finding the Fourth Proportional to 91,049.60, 125,657.63 and 52,820.84
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Solution
The fourth proportional to 91,049.60, 125,657.63 and 52,820.84 is: 72,898.09
Step by Step Solution
- Step 1: Write the proportion equation
91,049.60 : 125,657.63 = 52,820.84 : x - Step 2: Convert to fraction form
91,049.60/125,657.63 = 52,820.84/x - Step 3: Cross multiply
91,049.60x = 125,657.63 × 52,820.84 - Step 4: Simplify right side
91,049.60x = 6,637,342,114.24 - Step 5: Solve for x
x = 6,637,342,114.24/91,049.60 - Step 6: Final answer
x = 72,898.09
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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.