Finding the Fourth Proportional to 73,929.44, 110,938.08 and 27,215.12
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Solution
The fourth proportional to 73,929.44, 110,938.08 and 27,215.12 is: 40,838.85
Step by Step Solution
- Step 1: Write the proportion equation
73,929.44 : 110,938.08 = 27,215.12 : x - Step 2: Convert to fraction form
73,929.44/110,938.08 = 27,215.12/x - Step 3: Cross multiply
73,929.44x = 110,938.08 × 27,215.12 - Step 4: Simplify right side
73,929.44x = 3,019,193,159.77 - Step 5: Solve for x
x = 3,019,193,159.77/73,929.44 - Step 6: Final answer
x = 40,838.85
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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.