Finding the Fourth Proportional to 73,297.05, 109,946.01 and 20,706.99
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Solution
The fourth proportional to 73,297.05, 109,946.01 and 20,706.99 is: 31,060.61
Step by Step Solution
- Step 1: Write the proportion equation
73,297.05 : 109,946.01 = 20,706.99 : x - Step 2: Convert to fraction form
73,297.05/109,946.01 = 20,706.99/x - Step 3: Cross multiply
73,297.05x = 109,946.01 × 20,706.99 - Step 4: Simplify right side
73,297.05x = 2,276,650,929.61 - Step 5: Solve for x
x = 2,276,650,929.61/73,297.05 - Step 6: Final answer
x = 31,060.61
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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.