Finding the Fourth Proportional to 73,652.20, 110,492.70 and 29,271.40
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Solution
The fourth proportional to 73,652.20, 110,492.70 and 29,271.40 is: 43,912.82
Step by Step Solution
- Step 1: Write the proportion equation
73,652.20 : 110,492.70 = 29,271.40 : x - Step 2: Convert to fraction form
73,652.20/110,492.70 = 29,271.40/x - Step 3: Cross multiply
73,652.20x = 110,492.70 × 29,271.40 - Step 4: Simplify right side
73,652.20x = 3,234,276,018.78 - Step 5: Solve for x
x = 3,234,276,018.78/73,652.20 - Step 6: Final answer
x = 43,912.82
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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.