Finding the Fourth Proportional to 99,696.89, 149,573.58 and 40,574.99
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Solution
The fourth proportional to 99,696.89, 149,573.58 and 40,574.99 is: 60,873.98
Step by Step Solution
- Step 1: Write the proportion equation
99,696.89 : 149,573.58 = 40,574.99 : x - Step 2: Convert to fraction form
99,696.89/149,573.58 = 40,574.99/x - Step 3: Cross multiply
99,696.89x = 149,573.58 × 40,574.99 - Step 4: Simplify right side
99,696.89x = 6,068,946,512.76 - Step 5: Solve for x
x = 6,068,946,512.76/99,696.89 - Step 6: Final answer
x = 60,873.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.