Finding the Fourth Proportional to 88,310.06, 121,825.02 and 52,474.70
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Solution
The fourth proportional to 88,310.06, 121,825.02 and 52,474.70 is: 72,389.62
Step by Step Solution
- Step 1: Write the proportion equation
88,310.06 : 121,825.02 = 52,474.70 : x - Step 2: Convert to fraction form
88,310.06/121,825.02 = 52,474.70/x - Step 3: Cross multiply
88,310.06x = 121,825.02 × 52,474.70 - Step 4: Simplify right side
88,310.06x = 6,392,731,376.99 - Step 5: Solve for x
x = 6,392,731,376.99/88,310.06 - Step 6: Final answer
x = 72,389.62
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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.