Finding the Fourth Proportional to 80,145.08, 110,623.20 and 52,941.08
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Solution
The fourth proportional to 80,145.08, 110,623.20 and 52,941.08 is: 73,073.88
Step by Step Solution
- Step 1: Write the proportion equation
80,145.08 : 110,623.20 = 52,941.08 : x - Step 2: Convert to fraction form
80,145.08/110,623.20 = 52,941.08/x - Step 3: Cross multiply
80,145.08x = 110,623.20 × 52,941.08 - Step 4: Simplify right side
80,145.08x = 5,856,511,681.06 - Step 5: Solve for x
x = 5,856,511,681.06/80,145.08 - Step 6: Final answer
x = 73,073.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.