Finding the Fourth Proportional to 74,920.54, 112,343.18 and 24,982.96
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Solution
The fourth proportional to 74,920.54, 112,343.18 and 24,982.96 is: 37,461.89
Step by Step Solution
- Step 1: Write the proportion equation
74,920.54 : 112,343.18 = 24,982.96 : x - Step 2: Convert to fraction form
74,920.54/112,343.18 = 24,982.96/x - Step 3: Cross multiply
74,920.54x = 112,343.18 × 24,982.96 - Step 4: Simplify right side
74,920.54x = 2,806,665,172.21 - Step 5: Solve for x
x = 2,806,665,172.21/74,920.54 - Step 6: Final answer
x = 37,461.89
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1.5x scale
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.